[#PSBTProprietary-operator_lt]
= xref:PSBTProprietary.adoc[PSBTProprietary]::operator<
:relfileprefix: ../
:mrdocs:

Order two records by their serialized key bytes.

== Synopsis

Declared in `<psbt.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator<(xref:PSBTProprietary.adoc[PSBTProprietary] const& b) const;
----

== Return Value

True if this record's key orders before `b`'s.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *b*
| The record to compare against.
|===


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