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

Name

Description

lhs

the value to subtract from

rhs

the value to subtract

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