mp_units::operator-

Subtraction operator

Synopsis

Declared in <mp-units/framework/quantity.h>

template<auto R1, typename Rep1, RepresentationOf<get_quantity_spec(R1)> Value>
  requires ImplicitFromNumber<R1> && InvokeResultOf<get_quantity_spec(R1), std::minus<>, Rep1, const Value&>
[[nodiscard]] constexpr Quantity auto operator-(quantity<R1, Rep1> const& lhs, Value const& rhs);

Note

This function is a hidden friend of quantity, declared inside an implementation-defined base class: it can be found only through argument-dependent lookup.

Return Value

Note

The return value should not be discarded.

Parameters

Name	Description
lhs	The left operand
rhs	The right operand