bsl::set::count

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

NameDescription
keykey value to look up