{"height":"190","image_url":null,"categories":["SICP"],"url":"https://tmurata.hatenadiary.org/entry/20100302/1267531585","description":"pairs\u624b\u7d9a\u304d\u3092\u4fee\u6b63\u3057\u3066(pairs i j)\u304c(i \u5143\u306epairs\u624b\u7d9a\u304d (define (pairs s t) (cons-stream (list (stream-car s) (stream-car t)) (interleave (stream-map (lambda (x) (list (stream-car s) x)) (stream-cdr t)) (pairs (stream-cdr s) (stream-cdr t))))) \u3053\u3053\u3067\u751f\u6210\u3057\u3066\u3044\u308b\u4e26\u3073\u306f (list (stream-car s) (stream-car t)) => (1, 1) (2, 2) (3, 3)\u2026","blog_title":"tmurata\u306e\u65e5\u8a18","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftmurata.hatenadiary.org%2Fentry%2F20100302%2F1267531585\" title=\"SICP\u554f\u984c3.67 - tmurata\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/tmurata/","blog_url":"https://tmurata.hatenadiary.org/","type":"rich","width":"100%","title":"SICP\u554f\u984c3.67","author_name":"tmurata","published":"2010-03-02 21:06:25","version":"1.0"}