[#btck-Iterator-2constructor-09]
= xref:btck.adoc[btck]::xref:btck/Iterator.adoc[Iterator]::Iterator
:relfileprefix: ../../
:mrdocs:

Constructs an iterator to the first element of `ptr&period;`

== Synopsis

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

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
Iterator(Collection const* ptr);
----

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| The collection to iterate over&period;
|===


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