[#wallet-WalletTxOrderComparator-operator_call]
= xref:wallet.adoc[wallet]::xref:wallet/WalletTxOrderComparator.adoc[WalletTxOrderComparator]::operator()
:relfileprefix: ../../
:mrdocs:

Return whether wallet transaction a orders before b&period;

== Synopsis

Declared in `&lt;wallet&sol;transaction&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator()(
    xref:wallet/CWalletTx.adoc[CWalletTx] const* a,
    xref:wallet/CWalletTx.adoc[CWalletTx] const* b) const;
----

== Return Value

True if a orders before b in the ordered transaction list&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The first wallet transaction to compare&period;
| *b*
| The second wallet transaction to compare&period;
|===


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