Determine if a string has all unique characters: Difference between revisions
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(→{{header|Haskell}}: Updated the variant in terms of find) |
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Or perhaps, as an alternative to grouping |
Or perhaps, as an alternative to grouping, and sorting: |
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<lang haskell>import Data.List (find, intercalate) |
<lang haskell>import Data.List (find, intercalate) |
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import Numeric (showHex) |
import Numeric (showHex) |
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