petit_lisp 6.4.0

A simple Lisp implementation

Changelog

6.4.0

• Optional and rest args keywords are now preferably #:optional and #:rest
  • They are recognized by lambda*, define*, and define-macro*, but not lambda, define, or define-macro
  • &optional and &rest are recognized as synonyms
• Dotted rest args are supported everywhere
• Add build-in functions: pair?, list?, let*, cond

6.3.0

• "Truthy" logic: false and null are falsy; others are truthy
• Support &rest arguments in lambdas
• Add macros
• Add quasiquoting, unquoting, splicing, dotted pairs
• Add built-in functions: list, progn, make-symbol, gensym, eq?, member, memq, when, unless, and all c[ad]{2,3}r functions

6.2.0

• Add Environment.interrupt callback to allow interrupting execution

6.1.0

• Support &optional arguments in lambdas

6.0.2

• Initial version extracted from https://github.com/petitparser/dart-petitparser-examples.