std::Integral (3) Linux Manual Page

std::Integral – std::Integral

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
            (class template)
(C++11)