std::deque<T,Allocator>::pop_front (3) - Linux Manuals

std::deque<T,Allocator>::pop_front: std::deque<T,Allocator>::pop_front

NAME

std::deque<T,Allocator>::pop_front - std::deque<T,Allocator>::pop_front

Synopsis


void pop_front();


Removes the first element of the container. If there are no elements in the container, the behavior is undefined.


Iterators and references to the erased element are invalidated. It is unspecified whether the past-the-end iterator is invalidated if the element is the last element in the container. Other references and iterators are not affected. (until C++11)
Iterators and references to the erased element are invalidated. If the element is the last element in the container, the past-the-end iterator is also invalidated. Other references and iterators are not affected. (since C++11)

Parameters


(none)

Return value


(none)

Complexity


Constant.

Exceptions


Does not throw.

See also


           removes the last element
pop_back (public member function)
           inserts an element to the beginning
push_front (public member function)