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ArbitraryTerm → Term eliminator.

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This commit is contained in:
Rob Rix 2015-12-11 09:14:54 -05:00
parent bc47d2743f
commit fda61b074f
1 changed files with 5 additions and 1 deletions
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6
test/Spec.hs
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@ -7,7 +7,7 @@ import Split
import Syntax
import Term
import Control.Comonad.Cofree
import Control.Monad.Free
import Control.Monad.Free hiding (unfold)
import qualified Data.Map as Map
import qualified Data.Set as Set
import Test.Hspec
@ -17,6 +17,10 @@ import Test.QuickCheck
newtype ArbitraryTerm a annotation = ArbitraryTerm (annotation, (Syntax a (ArbitraryTerm a annotation)))
deriving (Show, Eq)
unTerm :: ArbitraryTerm a annotation -> Term a annotation
unTerm arbitraryTerm = unfold unpack arbitraryTerm
where unpack (ArbitraryTerm (annotation, syntax)) = (annotation, syntax)
newtype ArbitrarySyntax a f = ArbitrarySyntax { unSyntax :: Syntax a f }
deriving (Show, Eq)