Subtracts rhs from the wrapped value.
Declared in <mp-units/utility/constrained.h>
constexpr
constrained&
operator-=(constrained const& rhs)
requires requires(T& a, const T b) {
{ a -= b } -> std::same_as<T&>;
};
a reference to *this, after the subtraction
| Name | Description |
|---|---|
| rhs | the value to subtract |