[#BloombergLP-bdlde-Utf8CheckingInStreamBufWrapper-isValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlde.adoc[bdlde]::xref:BloombergLP/bdlde/Utf8CheckingInStreamBufWrapper.adoc[Utf8CheckingInStreamBufWrapper]::isValid
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:mrdocs:

Return `true` if this wrapper currently holds a `streambuf` and is not in a failed seek state&period;

== Synopsis

Declared in `&lt;bdlde&lowbar;utf8checkinginstreambufwrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
isValid() const;
----

== Return Value

`true` if this object holds a `streambuf` and is not in a failed seek state, and `false` otherwise


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