4.3.3 amb 評価器ã®å®Ÿè£… – SICP（計算機プãƒã‚°ãƒ©ãƒ ã®æ§‹é€ ã¨è§£é‡ˆï¼‰ãã®208 : Serendip – Webデザイン・プãƒã‚°ãƒ©ãƒŸãƒ³ã‚°å•é¡Œã‚’解ã„ã¦ã„ãå‰ã«ã€å…ˆã«4.3.3節ã«é€²ã¿ amb 評価器を実装ã™ã‚‹ã€‚ 以下ãŒ4.1.7節ã®è©•ä¾¡å™¨ã‚’ベースã«ã—ã¦ã€4.3.3節ã®è§£èª¬ã«åŸºã¥ã実装ã—㟠amb 評価器。 (define true #t) (define false #f) ;; 基盤㮠apply ã¸ã®å‚照を apply-in-underlying-scheme ã¸é€€é¿ã•ã›ã‚‹ï¼ˆã“ã†ã™ã‚‹ã“ã¨ã§ã€åŸºç›¤ã® apply ã« apply-in-underlying-scheme ã¨ã„ã†åå‰ã§ã‚¢ã‚¯ã‚»ã‚¹ã§ãる）。 (define apply-in-underlying-scheme apply) ;;;; apply ã®å®šç¾© (define (apply procedure arguments) (cond ((primitive-procedure? procedure) (apply-primitive-procedure proc
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