std::Integral (3) - Linux Manuals
std::Integral: std::Integral
NAME
Synopsis
Defined in header <concepts>
template < class T > (since C++20)
concept Integral = std::is_integral_v<T>;
The concept Integral<T> is satisfied if and only if T is an integral type.
See also
is_integral checks if a type is an integral type
(C++11)