[#BloombergLP-bdlc-BitArray-2constructor-01f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::BitArray
:relfileprefix: ../../../
:mrdocs:

Create an array of binary digits (bits). By default, the array is empty and has a capacity of 0 bits. Optionally specify the `initialLength` (in bits) of the array. If `initialLength` is not specified, the default length is 0. If `initialLength` is specified, optionally specify the `value` for each bit in the `initialLength`. If `value` is not specified, the default value for each bit is `false` (0). Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Synopsis

Declared in `<bdlc_bitarray.h>`

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


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