2017-03-21 22:29 GMT+01:00 Edward Kmett :
> [... In general I think the current behavior is the least surprising as it
> "walks all the a's it can" and is the only definition compatible with
> further extension with Traversable. [...]
>
OTOH, the current behavior contradicts my intuition that wra
> there is a fair bit of user code for things like vector types that do
things like
newtype V3 a = V3 (a,a,a,a)
^ 1 2 3 4(!?)
Oh boy, I sure hope not ;)
On Wed, Mar 22, 2017 at 8:14 AM Sven Panne wrote:
> 2017-03-21 22:29 GMT+01:00 Edward Kmett :
>
> [... In general I think th
On 2017-03-21 21:34, David Feuer wrote:
This seems much too weird:
*> :set -XDeriveFoldable
*> data Foo a = Foo ((a,a),a) deriving Foldable
*> length ((1,1),1)
1
*> length $ Foo ((1,1),1)
3
This is not unique to tuples, consider:
> :set -XDeriveFoldable
> data Foo a = Foo [[a]] derivi
This is what I get after removing a file from the working tree and also
from the cabal file for the project and then rebuild.
WARNING in hptSomeThingsBelowUs
missing module Darcs.Util.Environment
Probable cause: out-of-date interface files
I am using cabal new-build. Cabal folks tell me this
I've been seeing this since 6.12. I brought it up 7 (!) years ago,
but unfortunately it doesn't look like I filed a bug as Simon
requested. I probably failed to reproduce easily, and then forgot.
But it still definitely happens.
On Wed, Mar 22, 2017 at 3:59 PM, Ben Franksen wrote:
> This is wha
I can provide a test case (the darcs darcs repo) where I have just seen
this for the second time.
Am 23.03.2017 um 00:43 schrieb Evan Laforge:
> I've been seeing this since 6.12. I brought it up 7 (!) years ago,
> but unfortunately it doesn't look like I filed a bug as Simon
> requested. I proba
