{"provider_name":"Hatena Blog","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/ema_hiro/","type":"rich","url":"https://ema-hiro.hatenablog.com/entry/2025/08/17/181759","width":"100%","version":"1.0","blog_title":"emahiro/b.log","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fema-hiro.hatenablog.com%2Fentry%2F2025%2F08%2F17%2F181759\" title=\"protovalidate \u3067\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u90e8\u306e\u6642\u523b\u578b\u3092\u691c\u8a3c\u3059\u308b\u3068\u304d\u306b\u8003\u3048\u305f\u3053\u3068 - emahiro/b.log\" 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,"author_name":"ema_hiro","title":"protovalidate \u3067\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u90e8\u306e\u6642\u523b\u578b\u3092\u691c\u8a3c\u3059\u308b\u3068\u304d\u306b\u8003\u3048\u305f\u3053\u3068","categories":["proto"],"published":"2025-08-17 18:17:59","blog_url":"https://ema-hiro.hatenablog.com/","description":"Overview 1. \u305d\u306e\u307e\u307e prorovalidate \u3092\u66f8\u304f 2. \u5916\u90e8\u306e\u5b9a\u7fa9\u3092\u5229\u7528\u3059\u308b google/protobuf/timestamp.proto \u3092\u5229\u7528\u3059\u308b googleapis/googleapis/datetime.proto \u3092\u5229\u7528\u3059\u308b \u305d\u306e\u4ed6 google/protobuf \u306f\u5916\u90e8\u306e\u5b9a\u7fa9\u3092\u78ba\u8a8d\u3057\u305f\u3044\u3068\u304d\u306b\u78ba\u8a8d\u3059\u308b \u30ab\u30b9\u30bf\u30e0\u30a8\u30e9\u30fc\u30e1\u30c3\u30bb\u30fc\u30b8\u3092\u5b9a\u7fa9\u3059\u308b Overview protovalidate \u3067\u30ea\u30af\u30a8\u30b9\u30c8\u5185\u306b\u5b9a\u7fa9\u3057\u305f\u6642\u523b\u578b\u306e\u691c\u8a3c\u3092\u66f8\u3044\u305f\u3068\u304d\u306b\u8003\u3048\u305f\u3053\u3068\u3092\u5099\u5fd8\u9332\u3068\u3057\u3066\u30e1\u30e2\u3063\u3066\u304a\u304d\u307e\u3059\u3002 1. \u305d\u306e\u307e\u307e prorovalidate \u3092\u66f8\u304f string start_dat\u2026"}