Concept Subspace :: sus :: num :: SignedPrimitiveEnum

source
template <class T>
concept SignedPrimitiveEnum
requires 
std::is_enum_v<T>
sus::num::SignedPrimitiveInteger<std::underlying_type_t<T>>
std::is_convertible_v<T, std::underlying_type_t<T>>

Enum types that are backed by a signed value, excluding enum class types.