[#BloombergLP-bdlb-IndexSpanStringUtil-createFromPositions-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlb.adoc[bdlb]::xref:BloombergLP/bdlb/IndexSpanStringUtil.adoc[IndexSpanStringUtil]::createFromPositions
:relfileprefix: ../../../
:mrdocs:

Return an `IndexSpan` for the half‐open range [`begin`, `end`) in] `string`.

== Synopsis

Declared in `<bdlb_indexspanstringutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
xref:BloombergLP/bdlb/IndexSpan.adoc[IndexSpan]
createFromPositions(
    std::string_view const& string,
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[IndexSpan::size_type] begin,
    xref:BloombergLP/bdlb/IndexSpan/size_type.adoc[IndexSpan::size_type] end);
----

== Description

Return an `IndexSpan` describing the substring of the specified `string` starting at the specified `begin` and ending (not including) the specified `end`. The behavior is undefined unless `begin <= string.length()` and `end <= string.length()`.

== Return Value

an `IndexSpan` describing the half‐open range [`begin`, `end`)]

== Parameters

[cols="1,4"]
|===
| Name| Description
| *string*
| string containing the substring
| *begin*
| starting position of the substring
| *end*
| one‐past‐the‐end position of the substring
|===


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