[#bsl-priority_queue-034-top]
= xref:bsl.adoc[bsl]::xref:bsl/priority_queue-034.adoc[priority_queue]::top
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:mrdocs:

Return a reference providing non‐modifiable access to the element having the highest priority in this `priority_queue` object. In effect, performs `return c.front()`. The behavior is undefined if the priority queue is empty.

== Synopsis

Declared in `<bslstl_priorityqueue.h>`

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xref:bsl/priority_queue-034/const_reference.adoc[priority_queue<VALUE, CONTAINER, COMPARATOR>::const_reference]
top() const;
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