[#BloombergLP-bslalg-DequePrimitives-01-emplaceAndMoveToFront]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/DequePrimitives-01.adoc[DequePrimitives]::emplaceAndMoveToFront
:relfileprefix: ../../../
:mrdocs:

Insert at the specified `position` a newly created `VALUE_TYPE` object, constructed by forwarding the specified `allocator` (if required) and the specified (variable number of) `arguments` to the corresponding constructor of `VALUE_TYPE`, and move the elements in the range `[fromBegin .. position)]` backward by 1 position. Load into the specified `toBegin` an iterator to the inserted element (i.e., `fromBegin ‐ 1`). The behavior is undefined unless `fromBegin ‐ 1` is a valid iterator (i.e., the block pointer array holds enough room before the `fromBegin` position to insert 1 element).

== Synopsis

Declared in `<bslalg_dequeprimitives.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class ALLOCATOR,
    class... Args>
static
void
emplaceAndMoveToFront(
    xref:BloombergLP/bslalg/DequePrimitives-01/Iterator.adoc[Iterator]* toBegin,
    xref:BloombergLP/bslalg/DequePrimitives-01/Iterator.adoc[Iterator] fromBegin,
    xref:BloombergLP/bslalg/DequePrimitives-01/Iterator.adoc[Iterator] position,
    ALLOCATOR allocator,
    Args&&... arguments);
----


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