back -- basic_stringをconstexprに対応 #688

diff --git a/reference/string/basic_string/back.md b/reference/string/basic_string/back.md index 9b598734e..0c565acf6 100644 --- a/reference/string/basic_string/back.md +++ b/reference/string/basic_string/back.md @@ -6,8 +6,11 @@ * cpp11[meta cpp] ```cpp -const charT& back() const; -charT& back(); +const charT& back() const; // (1) C++11 +constexpr const charT& back() const; // (1) C++20 + +charT& back(); // (2) C++11 +constexpr charT& back(); // (...

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