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Ingy döt Net 2023-07-01 11:58:00 -04:00
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Task/Unicode-variable-names/Racket/unicode-variable-names.rkt Normal file
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#lang racket
;; Racket can use Unicode in identifier names
(define √ sqrt)
(√ 256) ; -> 16
;; and in fact the standard language makes use of some of these
(λ(x) x) ; -> an identity function
;; The required binding:
(define Δ 1)
(set! Δ (add1 Δ))
(printf "Δ = ~s\n" Δ) ; prints "Δ = 2"