[#operator_lt-04]
= operator<
:mrdocs:

Orders two inventory entries by type and then by hash.

== Synopsis

Declared in `<protocol.h>`

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

== Return Value

true if `a` sorts before `b` by type and then by hash.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *a*
| The left‐hand inventory entry.
| *b*
| The right‐hand inventory entry.
|===


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