Urbit Developers
  • Hoon

    • Overview
    • Cheat Sheet
    • Irregular forms
    • Hoon Errors
    • Hoon Style Guide
    • Basic Types
    • Advanced Types
    • Auras
    • Arvo
    • Standard Library

      • 1a: Basic Arithmetic
      • 1b: Tree Addressing
      • 1c: Molds and Mold-Builders
      • 2a: Unit Logic
      • 2b: List Logic
      • 2c: Bit Arithmetic
      • 2d: Bit Logic
      • 2e: Insecure Hashing
      • 2f: Noun Ordering
      • 2g: Unsigned Powers
      • 2h: Set Logic
      • 2i: Map Logic
      • 2j: Jar and Jug Logic
      • 2k: Queue Logic
      • 2l: Container from Container
      • 2m: Container from Noun
      • 2n: Functional Hacks
      • 2o: Normalizing Containers
      • 2p: Serialization
      • 2q: Molds and Mold-Builders
      • 3a: Modular and Signed Ints
      • 3b: Floating Point
      • 3c: Urbit Time
      • 3d: SHA Hash Family
      • 3e: AES encryption (Removed)
      • 3f: Scrambling
      • 3g: Molds and Mold-Builders
      • 4a: Exotic Bases
      • 4b: Text Processing
      • 4c: Tank Printer
      • 4d: Parsing (Tracing)
      • 4e: Parsing (Combinators)
      • 4f: Parsing (Rule-Builders)
      • 4g: Parsing (Outside Caller)
      • 4h: Parsing (ASCII Glyphs)
      • 4i: Parsing (Useful Idioms)
      • 4j: Parsing (Bases and Base Digits)
      • 4k: Atom Printing
      • 4l: Atom Parsing
      • 4m: Formatting Functions
      • 4n: Virtualization
      • 4o: Molds
      • 5a: Compiler Utilities
      • 5b: Macro Expansion
      • 5c: Compiler Backend & Prettyprinter
      • 5d: Parser
      • 5e: Molds and mold builders
      • 5f: Profiling support
      • Runes

        • Constants (Atoms and Strings)
        • + lus · Arms
        • | bar · Cores
        • $ buc · Structures
        • % cen · Calls
        • : col · Cells
        • . dot · Nock
        • / fas · Imports
        • ^ ket · Casts
        • ; mic · Make
        • ~ sig · Hints
        • = tis · Subject
        • ? wut · Conditionals
        • ! zap · Wild
        • --, == Terminators
        • Limbs and wings

          • Limbs
          • Wings
          • Zuse

            • 2d(1-5): To JSON, Wains
            • 2d(6): From JSON
            • 2d(7): From JSON (unit)
            • 2e(2-3): Print & Parse JSON
            • 2m: Ordered Maps
          • Arvo

            • Overview
            • Ames

              • Overview
              • Cryptography
              • API Reference
              • Scry Reference
              • Data Types
              • Behn

                • Overview
                • API Reference
                • Scry Reference
                • Examples
                • Clay

                  • Overview
                  • Architecture
                  • Using Clay
                  • Data Types
                  • Scry Reference
                  • API Reference
                  • Examples
                  • Marks

                    • Overview
                    • Writing Marks
                    • Using Marks
                    • Examples
                  • Dill

                    • Overview
                    • API Reference
                    • Scry Reference
                    • Data Types
                    • Eyre

                      • Overview
                      • External API Reference
                      • Internal API Reference
                      • Scry Reference
                      • Data Types
                      • Guide
                      • Gall

                        • Overview
                        • API Reference
                        • Scry Reference
                        • Data Types
                        • Iris

                          • Overview
                          • API Reference
                          • Data Types
                          • Example
                          • Jael

                            • Overview
                            • API Reference
                            • Scry Reference
                            • Data Types
                            • Examples
                            • Khan

                              • Overview
                              • API Reference
                              • Data Types
                              • Example
                              • Threads

                                • Overview
                                • HTTP API
                                • Reference
                                • Strandio
                                • Gall

                                  • Start Thread
                                  • Take Result
                                  • Take Facts
                                  • Stop Thread
                                  • Poke Thread
                                  • Examples

                                    • Fetch JSON
                                    • Child Thread
                                    • Main-loop
                                    • Poke Agent
                                    • Scry
                                    • Take Fact
                                  • Concepts

                                    • Scries
                                    • Subscriptions
                                    • Tutorials

                                      • Move Trace
                                      • Reference

                                        • Cryptography
                                        • Filesystem Hierarchy
                                      • Nock

                                        • Nock Definition
                                        • Explanation
                                        • Example
                                        • Implementations
                                        • Vere

                                          • C Runtime System
                                          • Land of Nouns
                                          • API overview by prefix
                                          • C in Urbit
                                          • Writing Jets
                                          • Cryptography
                                          • Azimuth

                                            • Overview
                                            • Urbit HD Wallet
                                            • Azimuth Data Flow
                                            • Azimuth.eth
                                            • Ecliptic.eth
                                            • Advanced Azimuth Tools
                                            • Life and Rift
                                            • Layer 2

                                              • Layer 2 Overview
                                              • Layer 2 Actions
                                              • Transaction Format
                                              • Rollers
                                              • Roller HTTP RPC-API
                                              • Custom Roller Tutorial
                                            • Glossary

                                              • Agent
                                              • Ames
                                              • API
                                              • Aqua
                                              • Arm
                                              • Arvo
                                              • Atom
                                              • Aura
                                              • Aural ASCII
                                              • Azimuth
                                              • Battery
                                              • Behn
                                              • Bowl
                                              • Bridge
                                              • Bunt
                                              • Card
                                              • Case
                                              • Cask
                                              • Cell
                                              • Censures
                                              • Claims
                                              • Clay
                                              • Cold atom
                                              • Comet
                                              • Commit
                                              • Cons
                                              • Context
                                              • Cord
                                              • Core
                                              • Delegated Sending
                                              • Desk
                                              • Dill
                                              • Document Proposal
                                              • Dojo
                                              • Door
                                              • Double-boot
                                              • Dry Gate
                                              • Duct
                                              • Ecliptic
                                              • Entropy
                                              • Event Log
                                              • Eyre
                                              • Face
                                              • Fact
                                              • Foo Bar Baz
                                              • Galaxy
                                              • Gall
                                              • Garden
                                              • Gate
                                              • Generator
                                              • Gift
                                              • Glob
                                              • HD Wallet
                                              • Helm
                                              • Hood
                                              • Hoon
                                              • Invite Tree
                                              • Iris
                                              • Jael
                                              • Jet
                                              • Kelvin versioning
                                              • Kernel
                                              • Keyfile
                                              • Keywords
                                              • Khan
                                              • Kiln
                                              • Landscape
                                              • Leg
                                              • List
                                              • Loobean
                                              • Lull
                                              • Mark
                                              • Metals
                                              • Mold
                                              • Monad
                                              • Moon
                                              • Move
                                              • Nock
                                              • Noun
                                              • ~
                                              • OTA Updates
                                              • Path Prefix
                                              • Path
                                              • @p
                                              • Payload
                                              • Peek
                                              • pH
                                              • Pier
                                              • Pill
                                              • Planet
                                              • Poke
                                              • Proxies
                                              • Scry
                                              • Replay
                                              • Factory Reset
                                              • Roller
                                              • Naive rollups
                                              • Rune
                                              • Runtime
                                              • Sail
                                              • Sample
                                              • Scry
                                              • Senate
                                              • Ship
                                              • Slam
                                              • Spider
                                              • Sponsor
                                              • Star
                                              • String
                                              • Subject Oriented Programming
                                              • Subject
                                              • Subscription
                                              • Tape
                                              • Thread
                                              • Trap
                                              • Udon
                                              • Upgrade Proposal
                                              • Userspace
                                              • Vane
                                              • Vase
                                              • Vere
                                              • Voting
                                              • Warm atom
                                              • Wet Gate
                                              • Wing
                                              • Wire
                                              • Wrapper
                                              • ~zod
                                              • Zuse
                                              • Additional

                                                • Cryptography
                                                • Mips (Maps of Maps)
                                                • Software Distribution

                                                  • Overview
                                                  • Docket File
                                                  • Glob
                                                  • Docs App

                                                    • Overview
                                                    • File Format
                                                    • Index File
                                                    • Suggested Structure
                                                  Urbit Developers
                                                  • Hoon

                                                    • Overview
                                                    • Cheat Sheet
                                                    • Irregular forms
                                                    • Hoon Errors
                                                    • Hoon Style Guide
                                                    • Basic Types
                                                    • Advanced Types
                                                    • Auras
                                                    • Arvo
                                                    • Standard Library

                                                      • 1a: Basic Arithmetic
                                                      • 1b: Tree Addressing
                                                      • 1c: Molds and Mold-Builders
                                                      • 2a: Unit Logic
                                                      • 2b: List Logic
                                                      • 2c: Bit Arithmetic
                                                      • 2d: Bit Logic
                                                      • 2e: Insecure Hashing
                                                      • 2f: Noun Ordering
                                                      • 2g: Unsigned Powers
                                                      • 2h: Set Logic
                                                      • 2i: Map Logic
                                                      • 2j: Jar and Jug Logic
                                                      • 2k: Queue Logic
                                                      • 2l: Container from Container
                                                      • 2m: Container from Noun
                                                      • 2n: Functional Hacks
                                                      • 2o: Normalizing Containers
                                                      • 2p: Serialization
                                                      • 2q: Molds and Mold-Builders
                                                      • 3a: Modular and Signed Ints
                                                      • 3b: Floating Point
                                                      • 3c: Urbit Time
                                                      • 3d: SHA Hash Family
                                                      • 3e: AES encryption (Removed)
                                                      • 3f: Scrambling
                                                      • 3g: Molds and Mold-Builders
                                                      • 4a: Exotic Bases
                                                      • 4b: Text Processing
                                                      • 4c: Tank Printer
                                                      • 4d: Parsing (Tracing)
                                                      • 4e: Parsing (Combinators)
                                                      • 4f: Parsing (Rule-Builders)
                                                      • 4g: Parsing (Outside Caller)
                                                      • 4h: Parsing (ASCII Glyphs)
                                                      • 4i: Parsing (Useful Idioms)
                                                      • 4j: Parsing (Bases and Base Digits)
                                                      • 4k: Atom Printing
                                                      • 4l: Atom Parsing
                                                      • 4m: Formatting Functions
                                                      • 4n: Virtualization
                                                      • 4o: Molds
                                                      • 5a: Compiler Utilities
                                                      • 5b: Macro Expansion
                                                      • 5c: Compiler Backend & Prettyprinter
                                                      • 5d: Parser
                                                      • 5e: Molds and mold builders
                                                      • 5f: Profiling support
                                                      • Runes

                                                        • Constants (Atoms and Strings)
                                                        • + lus · Arms
                                                        • | bar · Cores
                                                        • $ buc · Structures
                                                        • % cen · Calls
                                                        • : col · Cells
                                                        • . dot · Nock
                                                        • / fas · Imports
                                                        • ^ ket · Casts
                                                        • ; mic · Make
                                                        • ~ sig · Hints
                                                        • = tis · Subject
                                                        • ? wut · Conditionals
                                                        • ! zap · Wild
                                                        • --, == Terminators
                                                        • Limbs and wings

                                                          • Limbs
                                                          • Wings
                                                          • Zuse

                                                            • 2d(1-5): To JSON, Wains
                                                            • 2d(6): From JSON
                                                            • 2d(7): From JSON (unit)
                                                            • 2e(2-3): Print & Parse JSON
                                                            • 2m: Ordered Maps
                                                          • Arvo

                                                            • Overview
                                                            • Ames

                                                              • Overview
                                                              • Cryptography
                                                              • API Reference
                                                              • Scry Reference
                                                              • Data Types
                                                              • Behn

                                                                • Overview
                                                                • API Reference
                                                                • Scry Reference
                                                                • Examples
                                                                • Clay

                                                                  • Overview
                                                                  • Architecture
                                                                  • Using Clay
                                                                  • Data Types
                                                                  • Scry Reference
                                                                  • API Reference
                                                                  • Examples
                                                                  • Marks

                                                                    • Overview
                                                                    • Writing Marks
                                                                    • Using Marks
                                                                    • Examples
                                                                  • Dill

                                                                    • Overview
                                                                    • API Reference
                                                                    • Scry Reference
                                                                    • Data Types
                                                                    • Eyre

                                                                      • Overview
                                                                      • External API Reference
                                                                      • Internal API Reference
                                                                      • Scry Reference
                                                                      • Data Types
                                                                      • Guide
                                                                      • Gall

                                                                        • Overview
                                                                        • API Reference
                                                                        • Scry Reference
                                                                        • Data Types
                                                                        • Iris

                                                                          • Overview
                                                                          • API Reference
                                                                          • Data Types
                                                                          • Example
                                                                          • Jael

                                                                            • Overview
                                                                            • API Reference
                                                                            • Scry Reference
                                                                            • Data Types
                                                                            • Examples
                                                                            • Khan

                                                                              • Overview
                                                                              • API Reference
                                                                              • Data Types
                                                                              • Example
                                                                              • Threads

                                                                                • Overview
                                                                                • HTTP API
                                                                                • Reference
                                                                                • Strandio
                                                                                • Gall

                                                                                  • Start Thread
                                                                                  • Take Result
                                                                                  • Take Facts
                                                                                  • Stop Thread
                                                                                  • Poke Thread
                                                                                  • Examples

                                                                                    • Fetch JSON
                                                                                    • Child Thread
                                                                                    • Main-loop
                                                                                    • Poke Agent
                                                                                    • Scry
                                                                                    • Take Fact
                                                                                  • Concepts

                                                                                    • Scries
                                                                                    • Subscriptions
                                                                                    • Tutorials

                                                                                      • Move Trace
                                                                                      • Reference

                                                                                        • Cryptography
                                                                                        • Filesystem Hierarchy
                                                                                      • Nock

                                                                                        • Nock Definition
                                                                                        • Explanation
                                                                                        • Example
                                                                                        • Implementations
                                                                                        • Vere

                                                                                          • C Runtime System
                                                                                          • Land of Nouns
                                                                                          • API overview by prefix
                                                                                          • C in Urbit
                                                                                          • Writing Jets
                                                                                          • Cryptography
                                                                                          • Azimuth

                                                                                            • Overview
                                                                                            • Urbit HD Wallet
                                                                                            • Azimuth Data Flow
                                                                                            • Azimuth.eth
                                                                                            • Ecliptic.eth
                                                                                            • Advanced Azimuth Tools
                                                                                            • Life and Rift
                                                                                            • Layer 2

                                                                                              • Layer 2 Overview
                                                                                              • Layer 2 Actions
                                                                                              • Transaction Format
                                                                                              • Rollers
                                                                                              • Roller HTTP RPC-API
                                                                                              • Custom Roller Tutorial
                                                                                            • Glossary

                                                                                              • Agent
                                                                                              • Ames
                                                                                              • API
                                                                                              • Aqua
                                                                                              • Arm
                                                                                              • Arvo
                                                                                              • Atom
                                                                                              • Aura
                                                                                              • Aural ASCII
                                                                                              • Azimuth
                                                                                              • Battery
                                                                                              • Behn
                                                                                              • Bowl
                                                                                              • Bridge
                                                                                              • Bunt
                                                                                              • Card
                                                                                              • Case
                                                                                              • Cask
                                                                                              • Cell
                                                                                              • Censures
                                                                                              • Claims
                                                                                              • Clay
                                                                                              • Cold atom
                                                                                              • Comet
                                                                                              • Commit
                                                                                              • Cons
                                                                                              • Context
                                                                                              • Cord
                                                                                              • Core
                                                                                              • Delegated Sending
                                                                                              • Desk
                                                                                              • Dill
                                                                                              • Document Proposal
                                                                                              • Dojo
                                                                                              • Door
                                                                                              • Double-boot
                                                                                              • Dry Gate
                                                                                              • Duct
                                                                                              • Ecliptic
                                                                                              • Entropy
                                                                                              • Event Log
                                                                                              • Eyre
                                                                                              • Face
                                                                                              • Fact
                                                                                              • Foo Bar Baz
                                                                                              • Galaxy
                                                                                              • Gall
                                                                                              • Garden
                                                                                              • Gate
                                                                                              • Generator
                                                                                              • Gift
                                                                                              • Glob
                                                                                              • HD Wallet
                                                                                              • Helm
                                                                                              • Hood
                                                                                              • Hoon
                                                                                              • Invite Tree
                                                                                              • Iris
                                                                                              • Jael
                                                                                              • Jet
                                                                                              • Kelvin versioning
                                                                                              • Kernel
                                                                                              • Keyfile
                                                                                              • Keywords
                                                                                              • Khan
                                                                                              • Kiln
                                                                                              • Landscape
                                                                                              • Leg
                                                                                              • List
                                                                                              • Loobean
                                                                                              • Lull
                                                                                              • Mark
                                                                                              • Metals
                                                                                              • Mold
                                                                                              • Monad
                                                                                              • Moon
                                                                                              • Move
                                                                                              • Nock
                                                                                              • Noun
                                                                                              • ~
                                                                                              • OTA Updates
                                                                                              • Path Prefix
                                                                                              • Path
                                                                                              • @p
                                                                                              • Payload
                                                                                              • Peek
                                                                                              • pH
                                                                                              • Pier
                                                                                              • Pill
                                                                                              • Planet
                                                                                              • Poke
                                                                                              • Proxies
                                                                                              • Scry
                                                                                              • Replay
                                                                                              • Factory Reset
                                                                                              • Roller
                                                                                              • Naive rollups
                                                                                              • Rune
                                                                                              • Runtime
                                                                                              • Sail
                                                                                              • Sample
                                                                                              • Scry
                                                                                              • Senate
                                                                                              • Ship
                                                                                              • Slam
                                                                                              • Spider
                                                                                              • Sponsor
                                                                                              • Star
                                                                                              • String
                                                                                              • Subject Oriented Programming
                                                                                              • Subject
                                                                                              • Subscription
                                                                                              • Tape
                                                                                              • Thread
                                                                                              • Trap
                                                                                              • Udon
                                                                                              • Upgrade Proposal
                                                                                              • Userspace
                                                                                              • Vane
                                                                                              • Vase
                                                                                              • Vere
                                                                                              • Voting
                                                                                              • Warm atom
                                                                                              • Wet Gate
                                                                                              • Wing
                                                                                              • Wire
                                                                                              • Wrapper
                                                                                              • ~zod
                                                                                              • Zuse
                                                                                              • Additional

                                                                                                • Cryptography
                                                                                                • Mips (Maps of Maps)
                                                                                                • Software Distribution

                                                                                                  • Overview
                                                                                                  • Docket File
                                                                                                  • Glob
                                                                                                  • Docs App

                                                                                                    • Overview
                                                                                                    • File Format
                                                                                                    • Index File
                                                                                                    • Suggested Structure
                                                                                                  Reference/Hoon/Standard Library

                                                                                                  4h: Parsing (ASCII Glyphs)

                                                                                                  ++ace

                                                                                                  Parse space

                                                                                                  Parses ASCII character 32, space.

                                                                                                  Source

                                                                                                  ++ ace (just ' ')

                                                                                                  Examples

                                                                                                  > (scan " " ace)
                                                                                                  ' '

                                                                                                  ++bar

                                                                                                  Parse vertical bar

                                                                                                  Parses ASCII character 124, the vertical bar.

                                                                                                  Source

                                                                                                  ++ bar (just '|')

                                                                                                  Examples

                                                                                                  > (scan "|" bar)
                                                                                                  '|'

                                                                                                  ++bas

                                                                                                  Parse backslash

                                                                                                  Parses ASCII character 92, the backslash. Note the extra \ in the calling of bas with just is to escape the escape character, \.

                                                                                                  Source

                                                                                                  ++ bas (just '\\')

                                                                                                  Examples

                                                                                                  > (scan "\\" bas)
                                                                                                  '\\'

                                                                                                  ++buc

                                                                                                  Parse dollar sign

                                                                                                  Parses ASCII character 36, the dollar sign.

                                                                                                  Source

                                                                                                  ++ buc (just '$')

                                                                                                  Examples

                                                                                                  > (scan "$" buc)
                                                                                                  '$'

                                                                                                  ++cab

                                                                                                  Parse underscore

                                                                                                  Parses ASCII character 95, the underscore.

                                                                                                  Source

                                                                                                  ++ cab (just '_')

                                                                                                  Examples

                                                                                                  > (scan "_" cab)
                                                                                                  '_'

                                                                                                  ++cen

                                                                                                  Parses percent sign

                                                                                                  Parses ASCII character 37, the percent sign.

                                                                                                  Source

                                                                                                  ++ cen (just '%')

                                                                                                  Examples

                                                                                                  > (scan "%" cen)
                                                                                                  '%'

                                                                                                  ++col

                                                                                                  Parse colon

                                                                                                  Parses ASCII character 58, the colon

                                                                                                  Source

                                                                                                  ++ col (just ':')

                                                                                                  Examples

                                                                                                  > (scan ":" col)
                                                                                                  ':'

                                                                                                  ++com

                                                                                                  Parse comma

                                                                                                  Parses ASCII character 44, the comma.

                                                                                                  Source

                                                                                                  ++ com (just ',')

                                                                                                  Examples

                                                                                                  > (scan "," com)
                                                                                                  ','

                                                                                                  ++doq

                                                                                                  Parse double quote

                                                                                                  Parses ASCII character 34, the double quote.

                                                                                                  Source

                                                                                                  ++ doq (just '"')

                                                                                                  Examples

                                                                                                  > (scan "\"" doq)
                                                                                                  '"'

                                                                                                  ++dot

                                                                                                  Parse period

                                                                                                  Parses ASCII character 46, the period.

                                                                                                  Source

                                                                                                  ++ dot (just '.')

                                                                                                  Examples

                                                                                                  > (scan "." dot)
                                                                                                  '.'

                                                                                                  ++fas

                                                                                                  Parse forward slash

                                                                                                  Parses ASCII character 47, the forward slash.

                                                                                                  Source

                                                                                                  ++ fas (just '/')

                                                                                                  Examples

                                                                                                  > (scan "/" fas)
                                                                                                  '/'

                                                                                                  ++gal

                                                                                                  Parse less-than sign

                                                                                                  Parses ASCII character 60, the less-than sign.

                                                                                                  Source

                                                                                                  ++ gal (just '<')

                                                                                                  Examples

                                                                                                  > (scan "<" gal)
                                                                                                  '<'

                                                                                                  ++gar

                                                                                                  Parse greater-than sign

                                                                                                  Parses ASCII character 62, the greater-than sign.

                                                                                                  Source

                                                                                                  ++ gar (just '>')

                                                                                                  Examples

                                                                                                  > (scan ">" gar)
                                                                                                  '>'

                                                                                                  ++hax

                                                                                                  Parse number sign

                                                                                                  Parses ASCII character 35, the number sign.

                                                                                                  Source

                                                                                                  ++ hax (just '#')

                                                                                                  Examples

                                                                                                  > (scan "#" hax)
                                                                                                  '#'

                                                                                                  ++hep

                                                                                                  Parse hyphen

                                                                                                  Parses ASCII character 45, the hyphen.

                                                                                                  Source

                                                                                                  ++ hep (just '-')

                                                                                                  Examples

                                                                                                  > (scan "-" hep)
                                                                                                  '-'

                                                                                                  ++kel

                                                                                                  Parse left curley bracket

                                                                                                  Parses ASCII character 123, the left curly bracket. Note that { (kel) opens a Hoon expression for Hoon string interpolation. To parse it, therefore, it must be escaped.

                                                                                                  Source

                                                                                                  ++ kel (just '{')

                                                                                                  Examples

                                                                                                  > (scan "\{" kel)
                                                                                                  '{'

                                                                                                  ++ker

                                                                                                  Parse right curley bracket

                                                                                                  Parses ASCII character 125, the right curly bracket.

                                                                                                  Source

                                                                                                  ++ ker (just '}')

                                                                                                  Examples

                                                                                                  > (scan "}" ker)
                                                                                                  '}'

                                                                                                  ++ket

                                                                                                  Parse caret

                                                                                                  Parses ASCII character 94, the caret.

                                                                                                  Source

                                                                                                  ++ ket (just '^')

                                                                                                  Examples

                                                                                                  > (scan "^" ket)
                                                                                                  '^'

                                                                                                  ++lus

                                                                                                  Parse plus sign

                                                                                                  Parses ASCII character 43, the plus sign.

                                                                                                  Source

                                                                                                  ++ lus (just '+')

                                                                                                  Examples

                                                                                                  > (scan "+" lus)
                                                                                                  '+'

                                                                                                  ++mic

                                                                                                  Parse semicolon

                                                                                                  Parses ASCII character 59, the semicolon.

                                                                                                  Source

                                                                                                  ++ mic (just ';')

                                                                                                  Examples

                                                                                                  > (scan ";" mic)
                                                                                                  ';'

                                                                                                  ++pal

                                                                                                  Parse left parenthesis

                                                                                                  Parses ASCII character 40, the left parenthesis.

                                                                                                  Source

                                                                                                  ++ pal (just '(')

                                                                                                  Examples

                                                                                                  > (scan "(" pal)
                                                                                                  '('

                                                                                                  ++pam

                                                                                                  Parse ampersand

                                                                                                  Parses ASCII character 38, the ampersand.

                                                                                                  Source

                                                                                                  ++ pam (just '&')

                                                                                                  Examples

                                                                                                  > (scan "&" pam)
                                                                                                  '&'

                                                                                                  ++par

                                                                                                  Parse right parenthesis

                                                                                                  Parses ASCII character 41, the right parenthesis.

                                                                                                  Source

                                                                                                  ++ par (just ')')

                                                                                                  Examples

                                                                                                  > (scan ")" par)
                                                                                                  ')'

                                                                                                  ++pat

                                                                                                  Parse "at" sign

                                                                                                  Parses ASCII character 64, the "at" sign.

                                                                                                  Source

                                                                                                  ++ pat (just '@')

                                                                                                  Examples

                                                                                                  > (scan "@" pat)
                                                                                                  '@'

                                                                                                  ++sel

                                                                                                  Parse left square bracket

                                                                                                  Parses ASCII character 91, the left square bracket.

                                                                                                  Source

                                                                                                  ++ sel (just '[')

                                                                                                  Examples

                                                                                                  > (scan "[" sel)
                                                                                                  '['

                                                                                                  ++ser

                                                                                                  Parse right square bracket

                                                                                                  Parses ASCII character 93, the right square bracket.

                                                                                                  Source

                                                                                                  ++ ser (just ']')

                                                                                                  Examples

                                                                                                  > (scan "]" ser)
                                                                                                  ']'

                                                                                                  ++sig

                                                                                                  Parse tilde

                                                                                                  Parses ASCII character 126, the tilde.

                                                                                                  Source

                                                                                                  ++ sig (just '~')

                                                                                                  Examples

                                                                                                  > (scan "~" sig)
                                                                                                  '~'

                                                                                                  ++soq

                                                                                                  Parse single quote

                                                                                                  Parses ASCII character 39, soq. Note the \ in the example is to escape the soq because soq delimits a cord.

                                                                                                  Source

                                                                                                  ++ soq (just '\'')

                                                                                                  Examples

                                                                                                  > (scan "'" soq)
                                                                                                  '\''

                                                                                                  ++tar

                                                                                                  Parse asterisk

                                                                                                  Parses ASCII character 42, the asterisk.

                                                                                                  Source

                                                                                                  ++ tar (just '*')

                                                                                                  Examples

                                                                                                  > (scan "*" tar)
                                                                                                  '*'

                                                                                                  ++tic

                                                                                                  Parse backtick

                                                                                                  Parses ASCII character 96, the backtick.

                                                                                                  Source

                                                                                                  ++ tic (just '`')

                                                                                                  Examples

                                                                                                  > (scan "`" tic)
                                                                                                  '`'

                                                                                                  ++tis

                                                                                                  Parse equals sign

                                                                                                  Parses ASCII character 61, the equals sign.

                                                                                                  Source

                                                                                                  ++ tis (just '=')

                                                                                                  Examples

                                                                                                  > (scan "=" tis)
                                                                                                  '='

                                                                                                  ++wut

                                                                                                  Parses question mark

                                                                                                  Parses ASCII character 63, the question mark.

                                                                                                  Source

                                                                                                  ++ wut (just '?')

                                                                                                  Examples

                                                                                                  > (scan "?" wut)
                                                                                                  '?'

                                                                                                  ++zap

                                                                                                  Exclamation point

                                                                                                  Parses ASCII character 33, the exclamation point zap.

                                                                                                  Source

                                                                                                  ++ zap (just '!')

                                                                                                  Examples

                                                                                                  > (scan "!" zap)
                                                                                                  '!'

                                                                                                  <-

                                                                                                  4g: Parsing (Outside Caller)

                                                                                                  4i: Parsing (Useful Idioms)

                                                                                                  ->

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                                                                                                  Last modified August 30, 2023