Return the number of elements equivalent to key (0 or 1).

Synopsis

Declared in <bslstl_set.h>

size_type
count(key_type const& key) const;

Description

Note that since a set maintains unique keys, the returned value will be either 0 or 1.

Note: implemented inline due to Sun CC compilation error.

Return Value

0 or 1, since keys are unique

Parameters

Name

Description

key

key value to look up

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