[#BloombergLP-bslmf-InvokeResult_MemPtrArgQualifiers-02-checkLvalue-05]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/InvokeResult_MemPtrArgQualifiers-02.adoc[InvokeResult&lowbar;MemPtrArgQualifiers&lt;t&lowbar;MEMOF&lowbar;CLASS, t&lowbar;ARG&lowbar;TYPE, false&gt;]::checkLvalue
:relfileprefix: ../../../
:mrdocs:

(Declared but not defined) Return `bslmf&colon;&colon;Tag&lt;false&gt;()` if the first argument is an rvalue and `bslmf&colon;&colon;Tag&lt;true&gt;()` if it is lvalue&period; In actual use, the second argument is always a literal `int`, which causes the second overload to be preferred in case of ambiguity&period;

== Synopsis

Declared in `&lt;bslmf&lowbar;invokeresult&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bslmf/Tag-0b.adoc[bslmf::Tag&lt;false&gt;]
checkLvalue(&sol;&ast; implementation-defined &ast;&sol;, &period;&period;&period;);
----


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