Return true if this object is in the unset state, and false otherwise. Note that if false == hasNonVoidType() then OptionType::e_VOID == type().
true
false
false == hasNonVoidType()
OptionType::e_VOID == type()
Declared in <balcl_optionvalue.h>
<balcl_optionvalue.h>
bool hasNonVoidType() const;