[#BloombergLP-bdls-FilePermissions-isValid]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdls.adoc[bdls]::xref:BloombergLP/bdls/FilePermissions.adoc[FilePermissions]::isValid
:relfileprefix: ../../../
:mrdocs:

Return `true` if the specified `permissions` bit mask consists only of bits defined in `Enum` (i.e., bits in `k_MASK`), and `false` otherwise. A negative value always returns `false`.

== Synopsis

Declared in `<bdls_filepermissions.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
static
bool
isValid(int permissions);
----


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