std::vector<T,Allocator>::erase (3) - Linux Man Pages
iterator erase( iterator pos ); (until C++11)
iterator erase( const_iterator pos ); (1) (since C++11)
iterator erase( iterator first, iterator last ); (2) (until C++11)
iterator erase( const_iterator first, const_iterator last ); (since C++11)
Erases the specified elements from the container.
1) Removes the element at pos.
2) Removes the elements in the range [first, last).
Invalidates iterators and references at or after the point of the erase, including the end() iterator.
The iterator pos must be valid and dereferenceable. Thus the end() iterator (which is valid, but is not dereferencable) cannot be used as a value for pos.
The iterator first does not need to be dereferenceable if first==last: erasing an empty range is a no-op.
T must meet the requirements of MoveAssignable.
Iterator following the last removed element. If the iterator pos refers to the last element, the end() iterator is returned.
Does not throw unless an exception is thrown by the assignment operator of T.
Linear: the number of calls to the destructor of T is the same as the number of elements erased, the assignment operator of T is called the number of times equal to the number of elements in the vector after the erased elements
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