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

Return a string view of the substring of `string` described by `span`.

== Synopsis

Declared in `<bdlb_indexspanstringutil.h>`

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

== Description

Return a string reference to the substring of the specified `string` as described by the specified `span`, meaning the substring starting at the `span.position()` index in `string` and having `span.length()` characters. The behavior is undefined unless `span.position() <= string.length()` and `span.position() + span.length() <= string.length()`.

== Return Value

a string view of the substring described by `span`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *string*
| string containing the substring
| *span*
| index span describing the substring
|===


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