#1990: Add 'subsequences' and 'permutations' to Data.List
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Reporter: twanvl | Owner:
Type: proposal | Status: new
Priority: normal | Milestone: Not GHC
Component: libraries/base | Version: 6.8.1
Severity: normal | Keywords:
Difficulty: Unknown | Testcase:
Architecture: Unknown | Os: Unknown
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Haskell 1.3 included the functions 'subsequences' and 'permutations'. I
think these functions are quite useful, and I don't know why they were
ever removed. This is a proposal to add these two functions to Data.List.
The implementation is taken directly from the Haskell 1.3 report
(http://haskell.cs.yale.edu/haskell-report/List.html).
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1990>
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