[#BloombergLP-bdls-FilesystemUtil_CStringUtil-flatten-0e5]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilesystemUtil_CStringUtil.adoc[FilesystemUtil_CStringUtil]::flatten
:relfileprefix: ../../../
:mrdocs:

Produce a compile‐time error informing the caller that the parameterized `TYPE` is not supported as the parameter for the call.

== Synopsis

Declared in `<bdls_filesystemutil.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
template<class TYPE>
static
char const*
flatten(TYPE const& value);
----

== Return Value

never returns; the call is ill‐formed for unsupported `TYPE`

== Parameters

[cols="1,4"]
|===
| Name| Description
| *value*
| object of an unsupported type
|===


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