xieite ::isdigit ()
Defined in header <xieite/math/isdigit.hpp> Checks if a character is a digit. Serves as an improvement on
std ::isdigit ()Declaration
template <xieite ::is_char Char =char > [[nodiscard ]]constexpr auto isdigit (Char c )noexcept ;
Example
[View in Compiler Explorer]static_assert (xieite ::isdigit ('4' ));static_assert (!xieite ::isdigit ('h' ));