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arithmeticOperatorsForType::minus2

Igor Zarzycki edited this page Feb 18, 2022 · 1 revision

crap :: arithmeticOperatorsForType :: minus2

Defined in "crap/functional.d/arithmeticoperatorsfortype.h".
Defined in "crap/functional".


template <class Type>
struct arithmeticOperatorsForType
{
 /*...*/
 template <Type Value1, Type Value2>
 constexpr const static auto minus2 = minusValue <Type, Value1, Value2> :: value;
 /*...*/
};

Member constant of arithmeticOperatorsForType. Stores value of minusValue (see minusValue) acting on type Type. Requires C++14 or higher language version.

Template parameters

  • Value1 - value to be minuend.
  • Value2 - value to be subtracted from Value1.

Usage example

#include <crap/functional.d/arithmeticoperatorsfortype.h>

int main()
{
 static_assert(crap :: arithmeticOperatorsForType <unsigned int> :: template minus2<42u, 42u> == 0u, "42 - 42 should be 0");
 static_assert(crap :: arithmeticOperatorsForType <unsigned int> :: template minus2<42u, 35u> == 7u, "42 - 35 should be 7");
 return 0;
}

See also

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