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# std::deque::pop_front

From cppreference.com
< cpp‎ | container‎ | deque

[edit template]

void pop_front(); |  |

Removes the first element of the container.

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. | (since 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. | (until C++11)

### [edit] Parameters

(none)

### [edit] Return value

(none)

### [edit] Complexity

Constant.

### [edit] Exceptions

Does not throw.

### [edit] See also

pop_back | removes the last element (public member function) [edit]
push_front | inserts an element to the beginning (public member function) [edit]

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