[#BloombergLP-bslalg-ArrayPrimitives-copyConstruct-0eb]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslalg.adoc[bslalg]::xref:BloombergLP/bslalg/ArrayPrimitives.adoc[ArrayPrimitives]::copyConstruct
:relfileprefix: ../../../
:mrdocs:

Copy into an uninitialized array of (the template parameter) `TARGET_TYPE` beginning at the specified `toBegin` address, the elements in the array of `TARGET_TYPE` starting at the specified `fromBegin` address and ending immediately before the specified `fromEnd` address. If the (template parameter) `ALLOCATOR` type is derived from `bslma::Allocator` and `TARGET_TYPE` supports `bslma` allocators, then the specified `allocator` is passed to each invocation of the `TARGET_TYPE` copy constructor. If a `TARGET_TYPE` constructor throws an exception during the operation, then the destructor is called on any newly‐constructed elements, leaving the output array in an uninitialized state.

== Synopsis

Declared in `<bslalg_arrayprimitives.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<
    class TARGET_TYPE,
    class FWD_ITER,
    class SENTINEL>
static
void
copyConstruct(
    TARGET_TYPE* toBegin,
    FWD_ITER fromBegin,
    SENTINEL fromEnd,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* allocator);
----


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