Module Lang.ModuleType
type substitution=|ModuleEq of Paths.Fragment.Module.t * Module.Equation.t|TypeEq of Paths.Fragment.Type.t * TypeDecl.Equation.t|ModuleSubst of Paths.Fragment.Module.t * Paths.Path.Module.t|TypeSubst of Paths.Fragment.Type.t * TypeDecl.Equation.ttype expr=|Path of Paths.Path.ModuleType.t|Signature of Signature.t|Functor of FunctorParameter.t * expr|With of expr * substitution list|TypeOf of Module.decltype t={id : Paths.Identifier.ModuleType.t;doc : Comment.docs;expr : expr option;expansion : Module.expansion option;}