[#BloombergLP-bslx-GenericInStream-invalidate]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslx.adoc[bslx]::xref:BloombergLP/bslx/GenericInStream.adoc[GenericInStream]::invalidate
:relfileprefix: ../../../
:mrdocs:

Put this input stream in an invalid state&period; This function has no effect if this stream is already invalid&period; Note that this function should be called whenever a value extracted from this stream is determined to be invalid, inconsistent, or otherwise incorrect&period;

== Synopsis

Declared in `&lt;bslx&lowbar;genericinstream&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
void
invalidate();
----


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