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

This template class is used to "wrap" arbitrary types in an enclosing object so that they can be inserted into FoldingSets.

== Synopsis

Declared in `<llvm/ADT/FoldingSet.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename T>
class FoldingSetNodeWrapper
    : public xref:llvm/FoldingSetNode.adoc[FoldingSetNode]
----

== Base Classes

[cols="1,4"]
|===
| Name| Description
| `xref:llvm/FoldingSetNode.adoc[FoldingSetNode]`
| Convenience alias for the base node type stored in a folding set.
|===

== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/FoldingSetNodeWrapper/2constructor.adoc[`FoldingSetNodeWrapper`]         [.small]#[constructor]#
| Construct a wrapper around a `T` built from `Args.`
| xref:llvm/FoldingSetNodeWrapper/Profile.adoc[`Profile`] 
| Add the wrapped value's profile bits to `ID.`
| xref:llvm/FoldingSetNodeWrapper/getValue-09.adoc[`getValue`] 
| Return a mutable reference to the wrapped value.
| xref:llvm/FoldingSetNodeWrapper/getValue-04.adoc[`getValue`] 
| Return a const reference to the wrapped value.
| xref:llvm/FoldingSetNodeWrapper/2conversion-08.adoc[`operator T&`] 
| Implicit conversion to the wrapped value.
| xref:llvm/FoldingSetNodeWrapper/2conversion-00.adoc[`operator T const&`] 
| Implicit conversion to the wrapped const value.
|===



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