size_type erase( const key_type& k ) \
{ return CLASSNAME##_wxImplementation_HashTable::erase( k ); } \
void erase( const iterator& it ) { erase( it->first ); } \
- void erase( const const_iterator& it ) { erase( it->first ); } \
\
/* count() == 0 | 1 */ \
size_type count( const const_key_type& key ) \