Determine if a string is collapsible: Difference between revisions
Content deleted Content added
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, "I never give 'em hell, I just tell the truth, and they think it's hell. " |
, "I never give 'em hell, I just tell the truth, and they think it's hell. " |
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, " --- Harry S Truman " |
, " --- Harry S Truman " |
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, "😍😀🙌💃😍😍😍🙌" |
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] |
] |
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collapse :: |
collapse :: Eq a => [a] -> [a] |
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collapse s = catMaybes $ zipWith (\a b -> if a /= b then a else Nothing) (Nothing : ms) (ms <> [Nothing]) |
collapse s = catMaybes $ zipWith (\a b -> if a /= b then a else Nothing) (Nothing : ms) (ms <> [Nothing]) |
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where ms = map Just s |
where ms = map Just s |
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old: 72 ««« --- Harry S Truman »»» |
old: 72 ««« --- Harry S Truman »»» |
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new: 17 ««« - Hary S Truman »»» |
new: 17 ««« - Hary S Truman »»» |
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old: 8 «««😍😀🙌💃😍😍😍🙌»»» |
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new: 6 «««😍😀🙌💃😍🙌»»» |
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</pre> |
</pre> |
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