Counts the number of elements with the given key present in the set.
This function returns only 0 or 1.
*/
Counts the number of elements with the given key present in the set.
This function returns only 0 or 1.
*/
an iterator pointing at that element, otherwise an invalid iterator
is returned (i.e. hashset.find( non_existent_key ) == hashset.end()).
*/
an iterator pointing at that element, otherwise an invalid iterator
is returned (i.e. hashset.find( non_existent_key ) == hashset.end()).
*/