std::deque<T,Allocator>::emplace_front
Min standard notice:
Inserts a new element to the beginning of the container. The element is constructed through std::allocator_traits::construct, which typically uses placement-new to construct the element in-place at the location provided by the container. The arguments args… are forwarded to the constructor as std::forward
# Declarations
template< class... Args >
void emplace_front( Args&&... args );
(since C++11) (until C++17)
template< class... Args >
reference emplace_front( Args&&... args );
(since C++17)
# Parameters
args: arguments to forward to the constructor of the element