[#btck-Iterator-operator_minus-0a]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::operator&hyphen;
:relfileprefix: ../../
:mrdocs:

Computes the distance between two iterators&period;

== Synopsis

Declared in `&lt;kernel&sol;bitcoinkernel&lowbar;wrapper&period;h&gt;`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
auto
operator&hyphen;(xref:btck/Iterator.adoc[Iterator] const& other) const;
----

== Return Value

The signed number of elements between the two positions&period;

== Parameters

[cols="1,4"]
|===
| Name| Description
| *other*
| The iterator to subtract&period;
|===


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