[#BloombergLP-bslmf-InvokeResult_Index-fromVal-00]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslmf.adoc[bslmf]::xref:BloombergLP/bslmf/InvokeResult_Index.adoc[InvokeResult_Index]::fromVal
:relfileprefix: ../../../
:mrdocs:

Return a tag type representing the argument type. These functions are declared but not defined and are intended to be used in an unevaluated context (e.g., within `sizeof`) to convert an expression into a compile‐time enumeration constant.

== Synopsis

Declared in `<bslmf_invokeresult.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bslmf/Tag-0b.adoc[bslmf::Tag<e_SHORT>]
fromVal(short&);
----


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