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Add an ArbitrarySyntax type.

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Rob Rix 2015-12-11 00:32:46 -05:00
parent a71a4d2e36
commit c7dbd6e79b
1 changed files with 3 additions and 0 deletions
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test/Spec.hs
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@ -16,6 +16,9 @@ import Test.QuickCheck
newtype ArbitraryTerm = ArbitraryTerm (Term String ())
deriving (Show, Eq)
newtype ArbitrarySyntax a f = ArbitrarySyntax (Syntax a f)
deriving (Show, Eq)
instance Arbitrary ArbitraryTerm where
arbitrary = oneof [ ArbitraryTerm . (() :<) . Leaf <$> arbitrary ]