[#BloombergLP-bdlb-IndexSpanUtil-shrink]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/IndexSpanUtil.adoc[IndexSpanUtil]::shrink
:relfileprefix: ../../../
:mrdocs:

Return an `IndexSpan` shrunk from the ends of the specified `original`.

== Synopsis

Declared in `<bdlb_indexspanutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan]
shrink(
    xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan] const& original,
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[IndexSpan::size_type] shrinkBegin,
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[IndexSpan::size_type] shrinkEnd);
----

== Description

The result is transformed using the specified `shrinkBegin` and `shrinkEnd` so that its position is `original.position() + shrinkBegin` and whose length is `original.length() ‐ (shrinkBegin + shrinkEnd)`. The behavior is undefined unless `shrinkBegin + shrinkEnd <= original.length()`.

== Return Value

an `IndexSpan` shrunk from the ends of `original`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *original*
| span to shrink
| *shrinkBegin*
| number of elements to remove from the start
| *shrinkEnd*
| number of elements to remove from the end
|===


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