mp_units::quantity::operator--

Post-decrements the numerical value.

Synopsis

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

[[nodiscard]]
constexpr
QuantityOf<quantity_spec> auto
operator--(int unused_tag)
requires requires(rep& v) {
      { v-- } -> std::common_with<rep>;
    };

Return Value

A quantity holding the value of *this before the decrement.

NOTE

The return value should not be discarded.

Parameters

NameDescription
unused_tagAn unused tag parameter that distinguishes this overload as the post-decrement operator.