unordered_map::erase
Removes an element or a range of elements in a unordered_map from specified positions or removes elements that match a specified key.
iterator erase(
const_iterator Where
);
iterator erase(
const_iterator First,
const_iterator Last
);
size_type erase(
const key_type& Key
);
Parameters
Where
Position of the element to be removed.First
Position of the first element to be removed.Last
Position just beyond the last element to be removed.Key
The key value of the elements to be removed.
Return Value
For the first two member functions, a bidirectional iterator that designates the first element remaining beyond any elements removed, or an element that is the end of the map if no such element exists.
For the third member function, returns the number of elements that have been removed from the unordered_map.
Remarks
For a code example, see map::erase.
Requirements
Header: <unordered_map>
Namespace: std