{"blog_title":"so what","description":"#!/usr/bin/env scheme (define (log name) (begin (display name) (newline) #t)) (define (f-test) (log \"f-test\")) (define (f-then) (log \"f-then\")) (define (f-else) (log \"f-else\")) (define (new-if x y z) (cond (x y) (else z))) (display (if (f-test) (f-then) (f-else))) (newline) (display (new-if (f-test)\u2026","type":"rich","version":"1.0","title":" if\u306e\u8a55\u4fa1\u3068\u95a2\u6570\u306e\u8a55\u4fa1","provider_url":"https://hatena.blog","author_name":"winebarrel","categories":["SICP"],"image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fso-wh.at%2Fentry%2F20070301%2Fp1\" title=\" if\u306e\u8a55\u4fa1\u3068\u95a2\u6570\u306e\u8a55\u4fa1 - so what\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://so-wh.at/","height":"190","width":"100%","published":"2007-03-01 00:00:01","provider_name":"Hatena Blog","url":"https://so-wh.at/entry/20070301/p1","author_url":"https://blog.hatena.ne.jp/winebarrel/"}