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Don’t convert to These.

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Rob Rix 2019-10-17 22:53:35 -04:00
parent 55ee8b4f7a
commit 15fdc198bb
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1 changed files with 2 additions and 2 deletions
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4
test/Diffing/Algorithm/SES/Spec.hs
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@ -1,6 +1,6 @@
module Diffing.Algorithm.SES.Spec (spec) where
import Data.These
import Data.Edit
import Diffing.Algorithm.SES
import Test.Hspec
import Test.Hspec.LeanCheck
@ -21,4 +21,4 @@ spec = do
\ as bs -> length (ses (==) ((,) 0 <$> as :: [(Int, Char)]) ((,) 1 <$> bs :: [(Int, Char)])) `shouldBe` length as + length bs
prop "is lossless w.r.t. both input elements & ordering" $
\ as bs -> foldr (\ each (as, bs) -> these (flip (,) bs. (:as)) ((,) as . (:bs)) (\ a b -> (a:as, b:bs)) (toThese each)) ([], []) (ses (==) as bs :: [Edit Char Char]) `shouldBe` (as, bs)
\ as bs -> foldr (\ each (as, bs) -> edit (flip (,) bs. (:as)) ((,) as . (:bs)) (\ a b -> (a:as, b:bs)) each) ([], []) (ses (==) as bs :: [Edit Char Char]) `shouldBe` (as, bs)