[#TxInUndoFormatter-Ser]
= xref:TxInUndoFormatter.adoc[TxInUndoFormatter]::Ser
:relfileprefix: ../
:mrdocs:

Serializes the undo information for one spent output.

== Synopsis

Declared in `<undo.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<typename Stream>
void
Ser(
    Stream& s,
    xref:Coin-04.adoc[Coin] const& txout);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *s*
| The output stream to write to.
| *txout*
| The spent coin (output plus its height and coinbase flag).
|===


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