• base_ : exp
• data : Deferrer
• dynamic : Element
• dynamic_data : alphabet_traits
• dynamic_value : MetaElement< algebra::AlphabetSet< L >, std::set< L > > , MetaElement< algebra::AlphabetSet< L >, algebra::AlphabetDecorator< L, T > > , SyntacticDecorator
• ret : dynamic_traits< algebra::FreeMonoidProduct< F, S > > , dynamic_traits< algebra::FreeMonoid< A > >
• s_ : SetSlotAttribute< S, true >

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