[#BloombergLP-bslmf-InvokeResult_MemFuncPtrImpDispatch-071-checkLvalue-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/InvokeResult_MemFuncPtrImpDispatch-071.adoc[InvokeResult_MemFuncPtrImpDispatch<bslmf::VoidType<decltype((InvokeResult_ImpUtils::myDeclval<t_ARG1TYPE>().get().*
                  InvokeResult_ImpUtils::myDeclval<t_FN>())(
                    InvokeResult_ImpUtils::myDeclval<t_ARGTYPES>()...))>::type, false, true, t_FN, t_ARG1TYPE, t_ARGTYPES...>]::checkLvalue
:relfileprefix: ../../../
:mrdocs:

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

== Synopsis

Declared in `<bslmf_invokeresult.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bslmf/Tag-0b.adoc[bslmf::Tag<false>]
checkLvalue(/* implementation-defined */, ...);
----


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