[#bsl-swap-07d]
= xref:bsl.adoc[bsl]::swap
:relfileprefix: ../
:mrdocs:

Exchange the container and comparator of the specified `a` object with the container and comparator of the specified `b` object.

== Synopsis

Declared in `<bslstl_priorityqueue.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class VALUE,
    class CONTAINER,
    class COMPARATOR>
void
swap(
    xref:bsl/priority_queue-034.adoc[priority_queue<VALUE, CONTAINER, COMPARATOR>]& a,
    xref:bsl/priority_queue-034.adoc[priority_queue<VALUE, CONTAINER, COMPARATOR>]& b) noexcept(false);
----


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