Compares a safe_int with an integral scalar, comparing safely across signedness.

Synopsis

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

template<typename U>
requires detail::integral<U>
[[nodiscard]]
constexpr
std::strong_ordering
operator<=>(
    safe_int lhs,
    U 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 ordering between the wrapped value and rhs

Note

The return value should not be discarded.

Template Parameters

Name

Description

U

the integral scalar type

Parameters

Name

Description

lhs

the safe_int operand

rhs

the integral scalar to compare against

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