Here is a list of all enum values with links to the classes they belong to:

• Arity : toolbox::util::FunctionTraits< ReturnT(*)(ArgsT...)>
• Optional : toolbox::util::Presence< DerivedT >
• Required : toolbox::util::Presence< DerivedT >
• Size : toolbox::util::detail::Struct< Member< TagT, ValueT >, Member< TagsT, ValuesT >... >, toolbox::util::detail::Struct<>