bsl::swap

Swap the values of the specified a and b pairs.

Synopsis

Declared in <bslstl_pair.h>

template<
    class T1,
    class T2>
void
swap(
    pair<T1, T2>& a,
    pair<T1, T2>& b) noexcept(noexcept(a.swap(b)))
requires bsl::is_swappable<T1>::value && bsl::is_swappable<T2>::value;

Description

Swap the values of the specified a and b pairs by applying swap to each of the first and second pair fields. Note that this method is no‐throw only if swap on each field is no‐throw.

Parameters

Name

Description

first pair to exchange

second pair to exchange

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