[#BloombergLP-bdlb-NullableAllocatedValue_PointerBitsPair-setFlag]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/NullableAllocatedValue_PointerBitsPair.adoc[NullableAllocatedValue_PointerBitsPair]::setFlag
:relfileprefix: ../../../
:mrdocs:

Set the flag specified by `idx`. The behavior is undefined unless `idx < t_NUM_BITS`.

== Synopsis

Declared in `<bdlb_nullableallocatedvalue_pointerbitspair.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
setFlag(unsigned int idx);
----


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