Thread.Dtype t = History(FunLoc).D.tval hash : t -> intval show : t -> stringval pretty : unit -> t -> Pretty.docval printXml : 'a BatInnerIO.output -> t -> unitval to_yojson : t -> Printable.jsonval invariant : Invariant.context -> t -> Invariant.tval tag : t -> intval arbitrary : unit -> t QCheck.arbitraryval bot : unit -> tval is_bot : t -> boolval top : unit -> tval is_top : t -> bool