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Short-circuit the single comparable elements case.

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Rob Rix 2017-06-13 15:13:57 -04:00
parent 5762c4d405
commit f3c02a0efa
1 changed files with 1 additions and 0 deletions
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src/RWS.hs
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@ -59,6 +59,7 @@ rws :: (HasField fields (Maybe FeatureVector), Functor f, Eq1 f)
-> RWSEditScript f fields
rws _ _ as [] = This <$> as
rws _ _ [] bs = That <$> bs
rws _ canCompare [a] [b] | canCompareTerms canCompare a b = [These a b]
rws editDistance canCompare as bs = Eff.run . RWS.run editDistance canCompare as bs $ do
sesDiffs <- ses'
(featureAs, featureBs, mappedDiffs, allDiffs) <- genFeaturizedTermsAndDiffs' sesDiffs