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beautiful-racket/beautiful-racket-demo/injunction-demo/main.rkt

18 lines
446 B
Racket

#lang br
(provide #%top-interaction #%module-begin
(rename-out [my-datum #%datum]
[my-datum #%top]
[my-app #%app]))
(define-macro (my-datum . THING)
(define datum (syntax->datum #'THING))
(cond
[(string? datum) #'"whee"]
[(number? datum) #'42]
[else #''kaboom]))
(define-macro (my-app FUNC . ARGS)
#'(list FUNC . ARGS))
(module reader syntax/module-reader
injunction-demo)