std::experimental::ranges::Regular
来自cppreference.com
< cpp | experimental | ranges
| template <class T> concept bool Regular = ranges::Semiregular<T> && ranges::EqualityComparable<T>; |
(范围 TS) | |
Regular 概念指定类型为常规，即它为可复制、可默认构造、且可比较相等。表现类似如 int 的内建类型，且能以 == 比较的类型满足该概念。
