[#BloombergLP-balcl-OptionValue_NullOf-2constructor] = xref:BloombergLP.adoc[BloombergLP]::xref:BloombergLP/balcl.adoc[balcl]::xref:BloombergLP/balcl/OptionValue_NullOf.adoc[OptionValue_NullOf]::OptionValue_NullOf :relfileprefix: ../../../ :mrdocs: Create an `OptionValue_NullOf` object with the specified nullable `optionType`. The behavior is undefined if `optionType == OptionType::e_VOID`. == Synopsis Declared in `<balcl_optionvalue.h>` [source,cpp,subs="verbatim,replacements,macros,-callouts"] ---- explicit OptionValue_NullOf(xref:BloombergLP/balcl/OptionType/Enum.adoc[OptionType::Enum] optionType); ---- [.small]#Created with https://www.mrdocs.com[MrDocs]#