[#wallet-operator_lt-06]
= xref:wallet.adoc[wallet]::operator<
:relfileprefix: ../
:mrdocs:

Less‐than operators

== Synopses

Declared in `<wallet/db.h>`

Orders a prefix before any span that does not start with it.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
xref:wallet/operator_lt-01.adoc[operator<](
    xref:wallet/BytePrefix.adoc[BytePrefix] a,
    std::span<std::byte const> b);
----

[.small]#xref:wallet/operator_lt-01.adoc[_» more..._]#

Orders a span relative to a prefix.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
xref:wallet/operator_lt-0a.adoc[operator<](
    std::span<std::byte const> a,
    xref:wallet/BytePrefix.adoc[BytePrefix] b);
----

[.small]#xref:wallet/operator_lt-0a.adoc[_» more..._]#

== Return Value

true if `a` orders before `b`.

== Parameters

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


[.small]#Created with https://www.mrdocs.com[MrDocs]#