mp_units::utility::operator-

Computes the difference of lhs and rhs.

Synopsis

Declared in <mp-units/utility/safe_int.h>

[[nodiscard]]
constexpr
safe_int</* implementation-defined */, ErrorPolicy>
operator-(
    safe_int lhs,
    safe_int rhs);

Return Value

the result of lhs - rhs; triggers ErrorPolicy::on_overflow on overflow

NOTE

The return value should not be discarded.

Parameters

NameDescription
lhsthe value to subtract from
rhsthe value to subtract