[#BloombergLP-bdlc-BitArray-assign-05]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlc.adoc[bdlc]::xref:BloombergLP/bdlc/BitArray.adoc[BitArray]::assign
:relfileprefix: ../../../
:mrdocs:

Set a range of bits in this array to the specified `value`.

== Synopsis

Declared in `<bdlc_bitarray.h>`

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

== Description

Set the value of the specified `numBits` bits starting at the specified `index` in this array to the specified `value`. The behavior is undefined unless `index + numBits < length()`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *index*
| starting bit position to set
| *value*
| bit value to store in the range
| *numBits*
| number of bits to set
|===


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