    module Data.Derive.Ord where
    {-
    import Prelude

    example :: Sample
    instance Ord a => Ord (Sample a) where
        compare a b = check a b
            where
                check (First) (First) = EQ
                check (Second x1 x2) (Second y1 y2) = compare x1 y1 `_then` compare x2 y2 `_then` EQ
                check (Third x1) (Third y1) = compare x1 y1 `_then` EQ
                check x y | length [First{},Second{},Third{}] > 1 = compare (tag x) (tag y)

                -- leading _ to avoid a warning when not used
                EQ `_then` x = x
                x `_then` _ = x

                tag (First{}) = 0 :: Int
                tag (Second{}) = 1 :: Int
                tag (Third{}) = 2 :: Int

    -}
    -- GENERATED START

    import Data.Derive.DSL.DSL
    import Data.Derive.Internal.Derivation

    makeOrd :: Derivation
    makeOrd = derivationDSL "Ord" dslOrd

    dslOrd =
        List [Instance ["Ord"] "Ord" (List [App "InsDecl" (List [App
        "FunBind" (List [List [App "Match" (List [App "Ident" (List [
        String "compare"]),List [App "PVar" (List [App "Ident" (List [
        String "a"])]),App "PVar" (List [App "Ident" (List [String "b"])])
        ],App "Nothing" (List []),App "UnGuardedRhs" (List [Application (
        List [App "Var" (List [App "UnQual" (List [App "Ident" (List [
        String "check"])])]),App "Var" (List [App "UnQual" (List [App
        "Ident" (List [String "a"])])]),App "Var" (List [App "UnQual" (
        List [App "Ident" (List [String "b"])])])])]),App "BDecls" (List [
        List [App "FunBind" (List [Concat (List [MapCtor (App "Match" (
        List [App "Ident" (List [String "check"]),List [App "PParen" (List
        [App "PApp" (List [App "UnQual" (List [App "Ident" (List [CtorName
        ])]),MapField (App "PVar" (List [App "Ident" (List [Concat (List [
        String "x",ShowInt FieldIndex])])]))])]),App "PParen" (List [App
        "PApp" (List [App "UnQual" (List [App "Ident" (List [CtorName])]),
        MapField (App "PVar" (List [App "Ident" (List [Concat (List [
        String "y",ShowInt FieldIndex])])]))])])],App "Nothing" (List []),
        App "UnGuardedRhs" (List [Fold (App "InfixApp" (List [Tail,App
        "QVarOp" (List [App "UnQual" (List [App "Ident" (List [String
        "_then"])])]),Head])) (Concat (List [List [App "Con" (List [App
        "UnQual" (List [App "Ident" (List [String "EQ"])])])],Reverse (
        MapField (Application (List [App "Var" (List [App "UnQual" (List [
        App "Ident" (List [String "compare"])])]),App "Var" (List [App
        "UnQual" (List [App "Ident" (List [Concat (List [String "x",
        ShowInt FieldIndex])])])]),App "Var" (List [App "UnQual" (List [
        App "Ident" (List [Concat (List [String "y",ShowInt FieldIndex])])
        ])])])))]))]),App "BDecls" (List [List []])])),List [App "Match" (
        List [App "Ident" (List [String "check"]),List [App "PVar" (List [
        App "Ident" (List [String "x"])]),App "PVar" (List [App "Ident" (
        List [String "y"])])],App "Nothing" (List []),App "GuardedRhss" (
        List [List [App "GuardedRhs" (List [List [App "Qualifier" (List [
        App "InfixApp" (List [App "App" (List [App "Var" (List [App
        "UnQual" (List [App "Ident" (List [String "length"])])]),App
        "List" (List [MapCtor (App "RecConstr" (List [App "UnQual" (List [
        App "Ident" (List [CtorName])]),List []]))])]),App "QVarOp" (List
        [App "UnQual" (List [App "Symbol" (List [String ">"])])]),App
        "Lit" (List [App "Int" (List [Int 1])])])])],Application (List [
        App "Var" (List [App "UnQual" (List [App "Ident" (List [String
        "compare"])])]),App "Paren" (List [App "App" (List [App "Var" (
        List [App "UnQual" (List [App "Ident" (List [String "tag"])])]),
        App "Var" (List [App "UnQual" (List [App "Ident" (List [String "x"
        ])])])])]),App "Paren" (List [App "App" (List [App "Var" (List [
        App "UnQual" (List [App "Ident" (List [String "tag"])])]),App
        "Var" (List [App "UnQual" (List [App "Ident" (List [String "y"])])
        ])])])])])]]),App "BDecls" (List [List []])])]])]),App "FunBind" (
        List [List [App "Match" (List [App "Ident" (List [String "_then"])
        ,List [App "PApp" (List [App "UnQual" (List [App "Ident" (List [
        String "EQ"])]),List []]),App "PVar" (List [App "Ident" (List [
        String "x"])])],App "Nothing" (List []),App "UnGuardedRhs" (List [
        App "Var" (List [App "UnQual" (List [App "Ident" (List [String "x"
        ])])])]),App "BDecls" (List [List []])]),App "Match" (List [App
        "Ident" (List [String "_then"]),List [App "PVar" (List [App
        "Ident" (List [String "x"])]),App "PWildCard" (List [])],App
        "Nothing" (List []),App "UnGuardedRhs" (List [App "Var" (List [App
        "UnQual" (List [App "Ident" (List [String "x"])])])]),App "BDecls"
        (List [List []])])]]),App "FunBind" (List [MapCtor (App "Match" (
        List [App "Ident" (List [String "tag"]),List [App "PParen" (List [
        App "PRec" (List [App "UnQual" (List [App "Ident" (List [CtorName]
        )]),List []])])],App "Nothing" (List []),App "UnGuardedRhs" (List
        [App "ExpTypeSig" (List [App "Lit" (List [App "Int" (List [
        CtorIndex])]),App "TyCon" (List [App "UnQual" (List [App "Ident" (
        List [String "Int"])])])])]),App "BDecls" (List [List []])]))])]])
        ])]])])])]
    -- GENERATED STOP