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ruliana/example-of-new-pattern.rkt

Last active January 8, 2018 11:10
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Example of new pattern for pattern matching in Racket
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example-of-new-pattern.rkt
#lang racket
(define-match-expander aba
(syntax-rules ()
[(aba a b) (list a b a)]))
(define some-list (list 4 3 4))
(match some-list
[(aba x y) (printf "x = ~a, y = ~a\n" x y)])
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