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A-M baby

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Ingy döt Net 2013-04-10 21:29:02 -07:00
parent 764da6cbbb
commit db842d013d
19005 changed files with 197040 additions and 7 deletions
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1
Task/Function-composition/Common-Lisp/function-composition-1.lisp Normal file
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(defun compose (f g) (lambda (x) (funcall f (funcall g x))))

5
Task/Function-composition/Common-Lisp/function-composition-2.lisp Normal file
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>(defun compose (f g) (lambda (x) (funcall f (funcall g x))))
COMPOSE
>(let ((sin-asin (compose #'sin #'asin))))
(funcall sin-asin 0.5))
0.5

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Task/Function-composition/Common-Lisp/function-composition-3.lisp Normal file
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(defun compose (f g)
(eval `(lambda (x) (funcall ',f (funcall ',g x))))

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Task/Function-composition/Common-Lisp/function-composition-4.lisp Normal file
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CL-USER> (defmacro compose (fn-name &rest args)
(labels ((rec1 (args)
(if (= (length args) 1)
`(funcall ,@args x)
`(funcall ,(first args) ,(rec1 (rest args))))))
`(defun ,fn-name (x) ,(rec1 args))))