BitField class abstract mixin

///////////////////////////////////////////////////////////////////////////// BitField Key for BitStruct and BitFieldMap as mixin, applicable to enum ///////////////////////////////////////////////////////////////////////////// ///////////////////////////////////////////////////////////////////////////// A Bit-field is a class data member with explicit size, in bits. https://en.cppreference.com/w/cpp/language/bit_field https://learn.microsoft.com/en-us/cpp/c-language/c-bit-fields?view=msvc-170

A collection of Bit-fields, in a primitive type variable, e.g int, should be known as Bit-Fields, or Bits Field, Bit Struct, Bit-Field Struct /////////////////////////////////////////////////////////////////////////////