range_size_t -- <ranges> iterator_t, sentinel_t, range_*_tを追加 #713

diff --git a/reference/ranges/range_size_t.md b/reference/ranges/range_size_t.md new file mode 100644 index 000000000..f7b439b5d --- /dev/null +++ b/reference/ranges/range_size_t.md @@ -0,0 +1,47 @@ +# range_size_t +* ranges[meta header] +* std::ranges[meta namespace] +* type-alias[meta id-type] +* cpp20[meta cpp] + +```cpp +namespace std::ranges { + template<range R> + using range_size_t = decltype(ranges::size(declval<R&>())); +} +``` +* declval[link /reference/utility/declval.md] +* ranges:...

Submit