concurrent_unordered_set::size Method

Returns the number of elements in this concurrent container. This method is concurrency safe.

size_type size() const;

Return Value

The number of items in the container.

Remarks

In the presence of concurrent inserts, the number of elements in the concurrent container may change immediately after calling this function, before the return value is even read.

Requirements

Header: internal_concurrent_hash.h

Namespace: concurrency

See Also

Reference

concurrent_unordered_set Class