to_chars -- charconv: P2291R3 to_chars/from_chars constexpr指定(#1086)

diff --git a/reference/charconv/to_chars.md b/reference/charconv/to_chars.md index cb05cd2f4..0805a8b6e 100644 --- a/reference/charconv/to_chars.md +++ b/reference/charconv/to_chars.md @@ -7,7 +7,9 @@ ```cpp namespace std { //整数型用 - to_chars_result to_chars(char* first, char* last, /*see below*/ value, int base = 10); // (1) + to_chars_result to_chars(char* first, char* last, /*see below*/ value, int base = 10); // (1) C++17 + constexpr to_chars_result to_chars(char* first, c...

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