Return an iterator providing non-modifiable access to the value_type object in this unordered set that is equivalent to the specified key, if such an entry exists, and the past-the-end (end) iterator otherwise.
value_type
key
end
Declared in <bslstl_unorderedset.h>
<bslstl_unorderedset.h>
const_iterator find(key_type const& key) const;