{"url":"https://potisan-programming-memo.hatenablog.jp/entry/2021/09/19/211823","image_url":null,"type":"rich","author_name":"potisan","categories":["C++"],"description":"#include <array> #include <string> #include <vector> template <std::ranges::range T> requires std::negation_v<std::ranges::sized_range<T>>&& std::same_as<std::ranges::range_value_t<T>, std::wstring> std::wstring join(const T& range, std::wstring_view sep) { size_t count{ std::ranges::size(range) }; \u2026","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2021%2F09%2F19%2F211823\" title=\"C++20 \u6587\u5b57\u5217\u3092\u7d50\u5408\u3059\u308b\u95a2\u6570 - potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2\" 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://potisan-programming-memo.hatenablog.jp/","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/potisan/","version":"1.0","blog_title":"potisan\u306e\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u30e1\u30e2","provider_url":"https://hatena.blog","height":"190","title":"C++20 \u6587\u5b57\u5217\u3092\u7d50\u5408\u3059\u308b\u95a2\u6570","width":"100%","published":"2021-09-19 21:18:23"}