[#BloombergLP-bdlc-BitArray-assign1-04]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::assign1
:relfileprefix: ../../../
:mrdocs:

Set to 1 the specified `numBits` values in this array, beginning at the specified `index`. The behavior is undefined unless `index + numBits <= length()`.

== Synopsis

Declared in `<bdlc_bitarray.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
assign1(
    std::size_t index,
    std::size_t numBits);
----


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