[#btck-Range-01-at]
= xref:btck.adoc[btck]::xref:btck/Range-01.adoc[Range]::at
:relfileprefix: ../../
:mrdocs:

Returns the element at `index` with bounds checking.

== Synopsis

Declared in `<kernel/bitcoinkernel_wrapper.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
xref:btck/Range-01/value_type.adoc[value_type]
at(size_t index) const;
----

== Return Value

The view at that index.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *index*
| The zero‐based element index.
|===


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