[#BloombergLP-bdlc-BitArray-2constructor-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::BitArray
:relfileprefix: ../../../
:mrdocs:

Create an array of binary digits having the specified `initialLength` and using the optionally specified `basicAllocator` to supply memory.

== Synopsis

Declared in `<bdlc_bitarray.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
BitArray(
    std::size_t initialLength,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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