operator bool -- <ranges> view_interfaceを追加 #713

diff --git a/reference/ranges/view_interface/op_bool.md b/reference/ranges/view_interface/op_bool.md new file mode 100644 index 000000000..e567bec9c --- /dev/null +++ b/reference/ranges/view_interface/op_bool.md @@ -0,0 +1,47 @@ +# operator bool +* ranges[meta header] +* std::ranges[meta namespace] +* view_interface[meta class] +* function[meta id-type] +* cpp20[meta cpp] + +```cpp + constexpr explicit operator bool() requires requires { ranges::empty(derived()); }; // (1) + constexp...

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