Re: Arrow Development

2015-02-20 Thread Jan Stolarek
> There was a rewrite mentioned here [2]. The deSugar/DsArrows.hs [3] looks > convoluted. Any progress or work needed? Take a look at #7828 ticket. There was an intention to rewrite arrow desugarer and I worked on it for some time but eventually abandoned it. Sophie Taylor was planning to take u

RE: 76-fold regression GHC 7.10->7.11 in T9961 byte-allocation

2015-02-20 Thread Simon Peyton Jones
Aha. I believe that the ghc-7.10 branch simply doesn't have the source file testsuite/tests/perf/compiler/T9961.hs but all.T still runs the test. So we get "does not exist: T9961.hs", and of course very little allocation. Austin or Herbert, could you add T9961.hs to the 7.10 branch? Si

Re: Behavior change of Data.Char

2015-02-20 Thread David Feuer
I don't think so. There's no guarantee that future versions will maintain it, and I don't know that we want to take responsibility for continually checking on that. David On Feb 20, 2015 Simon Peyton Jones wrote: > It'd be good to document this condition/invariant in the Haddocks, wouldn't it?! >

Re: Behavior change of Data.Char

2015-02-20 Thread Joachim Breitner
Hi the section header “Character classification” could indicate that these predicates are based on the Unicode standard, and possibly for each predicate indicate the definition in terms of Unicode character classes. Greetings, Joachim Am Freitag, den 20.02.2015, 08:20 -0500 schrieb David Feuer: