[#TxGraph-UpdateRef]
= xref:TxGraph.adoc[TxGraph]::UpdateRef
:relfileprefix: ../
:mrdocs:

Inform the TxGraph implementation that a TxGraph::Ref has moved.

== Synopsis

Declared in `<txgraph.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
virtual
void
UpdateRef(
    xref:TxGraph/GraphIndex.adoc[GraphIndex] index,
    xref:TxGraph/Ref.adoc[Ref]& new_location) noexcept = 0;
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *index*
| Internal index of the transaction whose Ref moved.
| *new_location*
| The Ref's new location.
|===


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