# Class Type.transform

    class transform : object .. end

    method constraint_ : constraint_ -> constraint_

    method decl : decl -> decl

    method expr : expr -> expr

    method field : field -> field

    method poly_expr : poly_expr -> poly_expr

    method repr : repr -> repr

    method rhs : rhs -> rhs

    method summand : summand -> summand

    method gsummand : gsummand -> gsummand

    method tagspec : tagspec -> tagspec

    method variant : variant -> variant