[#btck-Iterator-2constructor-0dc]
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Constructors

== Synopses

Declared in `<kernel/bitcoinkernel_wrapper.h>`

Constructs a singular (past‐the‐end sentinel) iterator.


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xref:btck/Iterator/2constructor-0d3.adoc[Iterator]() = default;
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Constructs an iterator to the first element of `ptr.`


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xref:btck/Iterator/2constructor-09.adoc[Iterator](Collection const* ptr);
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Constructs an iterator to a specific index of `ptr.`


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    Collection const* ptr,
    size_t idx);
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== Parameters

[cols="1,4"]
|===
| Name| Description
| *ptr*
| The collection to iterate over.
| *idx*
| The starting index.
|===


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