potisan https://blog.hatena.ne.jp/potisan/ potisanのプログラミングメモ https://potisan-programming-memo.hatenablog.jp/ C++ #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) }; … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fpotisan-programming-memo.hatenablog.jp%2Fentry%2F2021%2F09%2F19%2F211823" title="C++20 文字列を結合する関数 - potisanのプログラミングメモ" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2021-09-19 21:18:23 rich https://potisan-programming-memo.hatenablog.jp/entry/2021/09/19/211823 1.0 100%