{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhiratara.hatenadiary.jp%2Fentry%2F2022%2F12%2F19%2F055445\" title=\"join\u30af\u30a4\u30ba\u306e\u7b54\u3048 - Pixel Pedals of Tomakomai\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":null,"version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/hiratara/","description":"join\u30af\u30a4\u30ba \u306e\u89e3\u7b54\u3068\u89e3\u8aac\u3067\u3059\u3002 join\u30af\u30a4\u30ba \u7b2c1\u554f\u306e\u7b54\u3048 perl -E 'say join \"0\" .. \"9\"' join \u306e\u95a2\u6570\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u898b\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002 $ perl -E 'say prototype \\&CORE::join' $@ \u3088\u3063\u3066\u3001\u7b2c\u4e00\u5f15\u6570\u306f\u30b9\u30ab\u30e9\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u8a55\u4fa1\u3055\u308c\u307e\u3059\u3002 \u7bc4\u56f2\u6f14\u7b97\u5b50 .. \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8 \u3092\u898b\u308b\u3068\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u66f8\u3044\u3066\u3042\u308a\u307e\u3059\u3002 In scalar context, \"..\" returns a boolean value \u3088\u3063\u3066\u3001 \"0\" .. \"9\" \u306f boolean \u3068\u306a\u308a\u307e\u3059\u304c\u3001\u30c7\u30ea\u30df\u30bf\u306e\u307f\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u3066 jo\u2026","type":"rich","categories":["\u6280\u8853"],"title":"join\u30af\u30a4\u30ba\u306e\u7b54\u3048","width":"100%","url":"https://hiratara.hatenadiary.jp/entry/2022/12/19/055445","height":"190","blog_title":"Pixel Pedals of Tomakomai","author_name":"hiratara","published":"2022-12-19 05:54:45","blog_url":"https://hiratara.hatenadiary.jp/","provider_url":"https://hatena.blog"}