Emplace a newly constructed element at the front of this deque.
Synopsis
Declared in <bslstl_deque.h>
template<class... Args>
deque<VALUE_TYPE, ALLOCATOR>::reference
emplace_front(Args&&... arguments);Description
Prepend to the front of this deque a newly created value_type object, constructed by forwarding get_allocator() (if required) and the specified (variable number of) arguments to the corresponding constructor of value_type. Return a reference providing modifiable access to the inserted element. If an exception is thrown (other than by the move constructor of a non‐copy‐insertable value_type), this method has no effect. This method requires that the (template parameter) VALUE_TYPE be move‐insertable into this deque and emplace‐constructible from arguments (see {Requirements on VALUE_TYPE}).
Return Value
modifiable reference to the emplaced element
Parameters
Name |
Description |
arguments |
constructor arguments for the new element |
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