tanakaBox https://blog.hatena.ne.jp/tanakaBox/ ボクノス https://boxnos.hatenablog.com/ Scheme 遅延評価のお勉強に、SchemeでHaskellライクなインタプリタを作ってみる。足し算とifしかない。 (define (skell src) (define (forever) (forever)) (define (reader src) (fold (lambda (m cont) (cont (cond ((integer? m) (lambda (x) m)) ((pair? m) (lambda (x) ((reader m) x))) (else (case m ('+ (lambda (a) (lambda (b) (lambda (x) (+ (a x) (b x)))))… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fboxnos.hatenablog.com%2Fentry%2F20080429%2F1209475939" title=" 遅延評価のお勉強 - ボクノス" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2008-04-29 22:32:19 rich https://boxnos.hatenablog.com/entry/20080429/1209475939 1.0 100%