{"height":"190","author_url":"https://blog.hatena.ne.jp/kiririmode/","title":"\u554f\u984c3-39 (3.4.1  The Nature of Time in Concurrent Systems)","provider_name":"Hatena Blog","description":"make-serializer \u3067\u751f\u6210\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\uff0c\u95a2\u6570\u3092\u5f15\u6570\u306b\u53d6\u3063\u3066\uff0c\u76f4\u5217\u5316\u3055\u308c\u305f\u95a2\u6570\u3092\u8fd4\u3059\u30b7\u30ea\u30a2\u30e9\u30a4\u30b6\uff0e\u76f4\u5217\u5316\u3055\u308c\u305f\u95a2\u6570\u306f\uff0c\u305d\u306e\u5b9f\u884c\u6642\u306b\u30a4\u30f3\u30bf\u30ea\u30fc\u30d6\u3055\u308c\u306a\u3044\uff0e\u305d\u306e\u305f\u3081\u306b\uff0c (define x 10) (define s (make-serializer)) (parallel-execute (s (lambda () (set! x (* x x)))) (s (lambda () (set! x (+ x 1))))) \u4e0a\u306e\u4e00\u9023\u306e\u95a2\u6570\u3092\u5b9f\u884c\u3059\u308b\u3068\uff0c\u6700\u7d42\u7684\u306a x \u306e\u5024\u306f (lambda () (set! x (* x x))) \u304c\u5148\u306b\u5b9f\u884c\u3055\u308c\u305f\u5834\u5408\u306e 101 \u304b\uff0c (s (lam\u2026","image_url":null,"url":"https://kiririmode.hatenablog.jp/entry/20080709/p1","version":"1.0","width":"100%","author_name":"kiririmode","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkiririmode.hatenablog.jp%2Fentry%2F20080709%2Fp1\" title=\"\u554f\u984c3-39 (3.4.1  The Nature of Time in Concurrent Systems) - \u7406\u7cfb\u5b66\u751f\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>","blog_url":"https://kiririmode.hatenablog.jp/","provider_url":"https://hatena.blog","published":"2008-07-09 00:00:00","categories":["SICP"],"type":"rich","blog_title":"\u7406\u7cfb\u5b66\u751f\u65e5\u8a18"}