16 lines
381 B
Plaintext
16 lines
381 B
Plaintext
;; adapted from Racket
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;; (compose f g h ... ) is a built-in defined as :
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;; (define (compose f g) (λ (x) (f (g x))))
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(define (cube x) (expt x 3))
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(define (cube-root x) (expt x (// 1 3)))
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(define funlist (list sin cos cube))
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(define ifunlist (list asin acos cube-root))
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(for ([f funlist] [i ifunlist])
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(writeln ((compose i f) 0.5)))
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→
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0.5
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0.4999999999999999
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0.5
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