[#BloombergLP-bslfmt-Format_String_TestUpdater-update-01]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bslfmt.adoc[bslfmt]::xref:BloombergLP/bslfmt/Format_String_TestUpdater.adoc[Format_String_TestUpdater]::update
:relfileprefix: ../../../
:mrdocs:

Update the string contained in the specified `out` to the specified `value`.

== Synopsis

Declared in `<bslfmt_format_string.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class t_FORMATSTRING>
static
void
update(
    t_FORMATSTRING* out,
    bsl::basic_string_view<t_CHAR> value);
----


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