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12 lines
240 B
Haskell
12 lines
240 B
Haskell
type Name = String
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data Expr
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= Var Name
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| App Expr Expr
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| Lam Name Expr
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s, k, i :: Expr
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s = Lam "x" (Var "x")
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k = Lam "x" (Lam "y" (Var "x"))
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i = Lam "x" (Lam "y" (Lam "z" (App (App (Var "x") (Var "z")) (App (Var "y") (Var "z")))))
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