11 lines
231 B
Agda
11 lines
231 B
Agda
module Language where
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open import Data.String using (String)
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open import Data.Nat using (ℕ)
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data Expr : Set where
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_+_ : Expr → Expr → Expr
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_-_ : Expr → Expr → Expr
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`_ : String → Expr
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#_ : ℕ → Expr
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