sicp习题试解 (1.42)

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; ======================================================================
;
; Structure and Interpretation of Computer Programs
; (trial answer to excercises)
;
; 计算机程序的构造和解释(习题试解)
;
; created: code17 03/06/05
; modified:
; (保持内容完整不变前提下,可以任意转载)
; ======================================================================


;; SICP No.1.42

(define (compose f g) (lambda (x) (f (g x))))


;; Test-it:
;; Welcome to MzScheme version 209, Copyright (c) 2004 PLT Scheme, Inc.
;; > ((compose square inc) 6)
;; 49
;; > ((compose inc square) 5)
;; 26

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