mp_units::operator<=>

Synopsis

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

template<
    auto R1,
    typename Rep1,
    auto R2,
    typename Rep2>
requires CommonlyComparableQuantities<quantity<R1, Rep1>, quantity<R2, Rep2>> &&
             std::three_way_comparable<typename std::common_type_t<quantity<R1, Rep1>, quantity<R2, Rep2>>::rep>
[[nodiscard]]
constexpr
auto
operator<=>(
    quantity<R1, Rep1> const& lhs,
    quantity<R2, Rep2> 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

The relative order of the objects

NOTE

The return value should not be discarded.

Parameters

Name	Description
lhs	The left operand
rhs	The right operand