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

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.

Parameters

value - the value of the element to prepend

Return value

(none).

Complexity

Constant.

Exceptions

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

See also

(C++11)
constructs an element in-place at the beginning
(public member function)
adds an element to the end
(public member function)
removes the first element
(public member function)

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