std::list::pop_front

From cppreference.com
< cpplrm; | containerlrm; | list

void pop_front();

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

References and iterators to the erased element are invalidated.

Parameters

(none)

Return value

(none)

Complexity

Constant.

Exceptions

Does not throw.

See also

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