Add 'subsequences' and 'permutations' to Data.List (ticket
#1990), discussion period end
simonmarhaskell at gmail.com
Thu Jan 10 09:33:40 EST 2008
Twan van Laarhoven wrote:
> Twan van Laarhoven wrote:
>> Hello all,
>> As Thomas Hartman noted in a recent cafe thread , 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 .
>> Trac ticket: #1990
>> Discussion period ends: January 7th (since there is a holiday comming up)
> The discussion period for this proposal is over. Everyone here seems to
> agree it is a good idea.
> The patch attached to the trac ticket contains the best versions
> discussed in this thread:
> - Wolfram(kahl at cas.mcmaster.ca)'s version of subsequences
> - my permutations8c
> Can someone with the power to do so apply this patch?
I've milestoned it for inclusion in GHC 6.10.
More information about the Libraries