[#BloombergLP-balcl-OccurrenceInfo-2constructor-04f]
= xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/OccurrenceInfo.adoc[OccurrenceInfo]::OccurrenceInfo
:relfileprefix: ../../../
:mrdocs:

Construct an `OccurrenceInfo` object that describes a command‐line option that is not required or hidden, and that has the specified `defaultValue`. Optionally specify a `basicAllocator` used to supply memory. If `basicAllocator` is 0, the currently installed default allocator is used.

== Synopsis

Declared in `<balcl_occurrenceinfo.h>`

[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
explicit
OccurrenceInfo(
    char defaultValue,
    xref:BloombergLP/bslma/Allocator.adoc[bslma::Allocator]* basicAllocator = 0);
----


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