Defined in header <concepts> | ||
|---|---|---|
template <class T> concept Regular = std::Semiregular<T> && std::EqualityComparable<T>; | (since C++20) |
The Regular concept specifies that a type is regular, that is, it is copyable, default constructible, and equality comparable. It is satisfied by types that behave similarly to built-in types like int, and that are comparable with ==.
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