[#BloombergLP-bslmf-InvokeResult_FunctorImp-06-checkConst-0c]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/InvokeResult_FunctorImp-06.adoc[InvokeResult_FunctorImp<bslmf::VoidType<decltype(InvokeResult_ImpUtils::myDeclval<t_FN>()(
                    InvokeResult_ImpUtils::myDeclval<t_ARGTYPES>()...))>::type, t_FN, t_ARGTYPES...>]::checkConst
:relfileprefix: ../../../
:mrdocs:

(Declared but not defined) Return `bslmf::Tag<true>()` if the argument is `const`‐qualified and `bslmf::Tag<false>()` otherwise.

== Synopsis

Declared in `<bslmf_invokeresult.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_TP>
static
xref:BloombergLP/bslmf/Tag-0b.adoc[bslmf::Tag<false>]
checkConst(t_TP&);
----


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