bsl::swap

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.

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;

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