std::deque::push_front

From cppreference.com
< cpp‎ | container‎ | deque

void push_front( const T& value );
void push_front( T&& value );
(since C++11)

Prepends the given element value to the beginning of the container.

All iterators, including the past-the-end iterator, are invalidated. No references are invalidated.

Contents

[edit] Parameters

value - the value of the element to prepend

[edit] Return value

(none)

[edit] Complexity

Constant.

[edit] Exceptions

If an exception is thrown, this function has no effect (strong exception guarantee).

[edit] See also

constructs elements in-place at the beginning
(public member function)
adds elements to the end
(public member function)
removes the first element
(public member function)