[#BloombergLP-bdlb-IndexSpan-2constructor-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan]::IndexSpan
:relfileprefix: ../../../
:mrdocs:

Create an `IndexSpan` object with the specified `position` and `length`.

== Synopsis

Declared in `<bdlb_indexspan.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
IndexSpan(
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[size_type] position,
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[size_type] length);
----

== Description

The behavior is undefined unless `position <= bsl::numeric_limits<size_t>::max() ‐ length`.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *position*
| starting index of the span
| *length*
| number of elements in the span
|===


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