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

Typed, array‐like tuple of metadata.

== Synopsis

Declared in `<llvm/IR/Metadata.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class T>
class MDTupleTypedArrayWrapper;
----

== Description

This is a wrapper for _MDTuple_ that makes it act like an array holding a particular type of metadata.

== Type Aliases

[cols="1,4"]
|===
| Name| Description
| xref:llvm/MDTupleTypedArrayWrapper/iterator.adoc[`iterator`] 
| Iterator over typed metadata operands.
|===


== Member Functions

[cols="1,4"]
|===
| Name| Description
| xref:llvm/MDTupleTypedArrayWrapper/2constructor-03.adoc[`MDTupleTypedArrayWrapper`]         [.small]#[constructor]#
| Constructors
| xref:llvm/MDTupleTypedArrayWrapper/begin.adoc[`begin`] 
| Return an iterator to the first typed operand.
| xref:llvm/MDTupleTypedArrayWrapper/empty.adoc[`empty`] 
| Return true if the wrapper holds no tuple or the tuple has no operands.
| xref:llvm/MDTupleTypedArrayWrapper/end.adoc[`end`] 
| Return an iterator past the last typed operand.
| xref:llvm/MDTupleTypedArrayWrapper/get.adoc[`get`] 
| Return the underlying `MDTuple` pointer.
| xref:llvm/MDTupleTypedArrayWrapper/operator_star.adoc[`operator*`] 
| Dereference to the underlying tuple.
| xref:llvm/MDTupleTypedArrayWrapper/operator_ptr.adoc[`operator‐>`] 
| Access members of the underlying tuple.
| xref:llvm/MDTupleTypedArrayWrapper/operator_subs.adoc[`operator[]`] 
| Return the typed metadata at index `I,` or null if that operand is null.
| xref:llvm/MDTupleTypedArrayWrapper/size.adoc[`size`] 
| Return the number of operands, or zero if the tuple is null.
| xref:llvm/MDTupleTypedArrayWrapper/2conversion-08.adoc[`operator MDTuple*`] 
| Convert to the underlying `MDTuple` pointer.
| xref:llvm/MDTupleTypedArrayWrapper/2conversion-04.adoc[`operator bool`] 
| Return true if this wrapper holds a non‐null tuple.
|===



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