mp_units::utility::operator‐

Subtracts a constrained value from a safe_int

Synopsis

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

template<
    typename U,
    typename CP>
requires detail::integral<U>
[[nodiscard]]
constexpr
safe_int</* implementation-defined */, ErrorPolicy>
operator‐(
    safe_int lhs,
    constrained<U, CP> rhs);

Note	This function is a hidden friend of safe_int, declared only inside that class: it can be found only through argument-dependent lookup.

Return Value

the wrapped difference of the underlying values

Note	The return value should not be discarded.

Parameters

Name

Description

lhs

the safe_int to subtract from

rhs

the constrained value to subtract

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