[#wallet-CHDChain-operator_lt]
= xref:wallet.adoc[wallet]::xref:wallet/CHDChain.adoc[CHDChain]::operator&lt;
:relfileprefix: ../../
:mrdocs:

Orders HD chains by seed id&period;

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
bool
operator&lt;(xref:wallet/CHDChain.adoc[CHDChain] const& chain) const;
----

== Return Value

true if this chain&apos;s seed id orders before the other&apos;s&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *chain*
| The HD chain to compare against&period;
|===


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