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21.7 Keywords

Keywords are self-evaluating objects with a convenient read syntax that makes them easy to type.

Guile's keyword support conforms to R5RS, and adds a (switchable) read syntax extension to permit keywords to begin with : as well as #:.

• Why Use Keywords?: Motivation for keyword usage.
• Coding With Keywords: How to use keywords.
• Keyword Read Syntax: Read syntax for keywords.
• Keyword Procedures: Procedures for dealing with keywords.
• Keyword Primitives: The underlying primitive procedures.