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13 lines
176 B
Haskell
13 lines
176 B
Haskell
module Syntax where
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{-# LANGUAGE DeriveFunctor #-}
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import Data.Map
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data Syntax f a =
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Leaf a
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| Indexed [f]
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| Fixed [f]
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| Keyed (Map String f)
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deriving Functor, Show, Eq
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