[#llvm-Expected-errorIsA]
= xref:llvm.adoc[llvm]::xref:llvm/Expected.adoc[Expected]::errorIsA
:relfileprefix: ../../
:mrdocs:

Check that this Expected<T> is an error of type ErrT.

== Synopsis

Declared in `<llvm/Support/Error.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename ErrT>
bool
errorIsA() const;
----

== Return Value

True if this Expected holds an error of type `ErrT.`


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