{"provider_name":"Hatena Blog","width":"100%","author_name":"kazu-gor","categories":["golang","\u30d0\u30c3\u30af\u30a8\u30f3\u30c9"],"height":"190","blog_title":"every Tech Blog","published":"2026-03-19 12:00:00","title":"Go 1.26\u3067\u8ffd\u52a0\u3055\u308c\u305fnew(expr)\u306f\u306a\u305c\u3053\u306e\u5f62\u306a\u306e\u304b","version":"1.0","type":"rich","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kazu-gor/20260318/20260318121303.png","author_url":"https://blog.hatena.ne.jp/kazu-gor/","url":"https://tech.every.tv/entry/2026/03/19/120000","blog_url":"https://tech.every.tv/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.every.tv%2Fentry%2F2026%2F03%2F19%2F120000\" title=\"Go 1.26\u3067\u8ffd\u52a0\u3055\u308c\u305fnew(expr)\u306f\u306a\u305c\u3053\u306e\u5f62\u306a\u306e\u304b - every Tech Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u3053\u3093\u306b\u3061\u306f\u3001\u958b\u767a1\u90e8\u306e[@uho-wq](https://x.com/uho_wq)\u3067\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306fGo 1.26\u3067\u8ffd\u52a0\u3055\u308c\u305f`new(expr)`\u304c\u3069\u306e\u3088\u3046\u306a\u8b70\u8ad6\u306e\u672b\u306b\u3053\u306e\u5f62\u306b\u843d\u3061\u7740\u3044\u305f\u306e\u304b\u3092\u8aac\u660e\u3057\u3088\u3046\u3068\u601d\u3044\u307e\u3059\u3002 ## new(expr) Go 1.26\u3067\u3001\u7d44\u307f\u8fbc\u307f\u95a2\u6570`new`\u304c\u5f0f(expression)\u3092\u53d7\u3051\u53d6\u308c\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3057\u305f\u3002 ```go p := new(42) // *int, \u5024\u306f42 s := new(\"hello\") // *string, \u5024\u306f\"hello\" b := new(true) // *bool, \u5024\u306ftrue ``` \u3068\u3066\u3082\u30b7\u30f3\u30d7\u30eb\u306a\u69cb\u6587\u8ffd\u52a0\u306b\u601d\u3048\u307e\u3059\u304c\u3001\u5b9f\u306f\u3053\u306e\u7d50\u8ad6\u306b\u81f3\u308b\u307e\u30672014\u5e74\u304b\u30892025\u5e74\u307e\u3067\u306e**11\u5e74**\u3082\u304b\u304b\u308a\u307e\u3057\u305f\u3002 \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u4ee5\u4e0b\u306e2\u3064\u306eissue\u3092\u3082\u3068\u306b\u8b70\u8ad6\u306e\u6d41\u308c\u3092\u8ffd\u3063\u3066\u3044\u304d\u307e\u3059\u3002"}