[#BloombergLP-bdlt-maxSupportedBdexVersion-079]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/bdlt.adoc[bdlt]::maxSupportedBdexVersion
:relfileprefix: ../../
:mrdocs:

Return the maximum valid BDEX format version for this type.

== Synopsis

Declared in `<bdlt_monthofyear.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
int
maxSupportedBdexVersion(
    xref:BloombergLP/bdlt/MonthOfYear/Enum.adoc[MonthOfYear::Enum] const* ignored,
    int versionSelector);
----

== Description

Return the maximum valid BDEX format version, as indicated by the specified `versionSelector`, to be passed to the `bdexStreamOut` method while streaming an object of the type `MonthOfYear::Enum`. Note that it is highly recommended that `versionSelector` be formatted as "YYYYMMDD", a date representation. Also note that `versionSelector` should be a _compile_‐time‐chosen value that selects a format version supported by both externalizer and unexternalizer. See the `bslx` package‐level documentation for more information on BDEX streaming of value‐semantic types and containers.

== Return Value

maximum supported BDEX format version

== Parameters

[cols="1,4"]
|===
| Name| Description
| *ignored*
| unused; selects this overload by type
| *versionSelector*
| BDEX version selector (typically "YYYYMMDD")
|===


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