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Prompt.hs: have historyCompletion filter dupes

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Specifically, it calls deleteConsecutiveDuplicates on the end product. uniqSort reverses order in an unfortunate way, so we don't use that.
The use-case is when a user has added the same input many times - as it stands, if the history records 30 'top's or whatever, the completion will show 30 'top' entries! This fixes that.
This commit is contained in:
gwern0 2008-10-08 20:47:10 +00:00
parent a0ac6331df
commit c27eb22b39
1 changed files with 1 additions and 1 deletions
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XMonad/Prompt.hs
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@ -811,7 +811,7 @@ breakAtSpace s
-- 'getShellCompl'; you pass it to mkXPrompt, and it will make completions work
-- from the query history stored in ~\/.xmonad\/history.
historyCompletion :: ComplFunction
historyCompletion x = fmap (filter (isInfixOf x) . Map.fold (++) []) readHistory
historyCompletion x = fmap (deleteConsecutiveDuplicates . filter (isInfixOf x) . Map.fold (++) []) readHistory
-- | Sort a list and remove duplicates. Like 'deleteAllDuplicates', but trades off
-- laziness and stability for efficiency.