{"version":"1.0","title":" with-exception-handler \u306e\u4ed5\u69d8\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3088\u3046 \u305d\u306e2","author_url":"https://blog.hatena.ne.jp/higepon/","author_name":"higepon","type":"rich","blog_url":"https://higepon.hatenablog.com/","published":"2008-08-11 13:02:05","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhigepon.hatenablog.com%2Fentry%2F20080811%2F1218427325\" title=\" with-exception-handler \u306e\u4ed5\u69d8\u3092\u6b63\u3057\u304f\u7406\u89e3\u3057\u3088\u3046 \u305d\u306e2 - higepon blog\" 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","image_url":null,"blog_title":"higepon blog","categories":["scheme","mosh"],"width":"100%","description":"(with-exception-handler handler thunk) Handler must be a procedure and should accept one argument. Thunk must be a procedure that accepts zero arguments. The with-exception-handler procedure returns the results of invoking thunk.handler \u306f1\u5f15\u6570\u3001thunk\u306f\u5f15\u6570\u306a\u3057\u306e\u624b\u7d9a\u304d\u3002with-exception-handler \u306f thunk \u306e\u547c\u3073\u51fa\u3057\u306e\u7d50\u679c\u3092\u8fd4\u3059\u3002\u2026","url":"https://higepon.hatenablog.com/entry/20080811/1218427325","provider_name":"Hatena Blog","height":"190"}