On Jun 3, 2015, at 7:09 PM, AntC anthony_clay...@clear.net.nz wrote:
Is this separate instance group idea still a gleam in someone's eye?
If not, is there some deep theoretical reason against?
Not to my knowledge (to both questions). But I don't believe we've lost any
expressiveness over
Richard Eisenberg eir at cis.upenn.edu writes:
You can always define a helper closed type family
and have an open type family instance just call a closed type family.
Thank you Richard, you mean like:
type family OpenF a
...
type instance OpenF (Foo b c) = FFoo (Foo b c)
Currently (GHC 7.8.3) the only form for Closed Type Families is:
type family F a where ...
-- list your instances here
(This was considered a common use case
-- for example in HList to put the type-matching instance
with the non-matching, and that would be total coverage;
rather
(This post is available online at
https://ghc.haskell.org/trac/ghc/blog/weekly20150603)
Hi *,
It's that time once again - to get some info on what's happening in
the world of GHC! It's been a quiet few weeks as a UK Holiday punted
one of GHC HQ's meetings off, and this week we were only
From https://github.com/ghc/ghc/blob/master/rts/RtsFlags.c#L1238 it seems that
the behavior described in my email below is intended:
```
if (rts_argv[arg][2] == '\0') {
#if defined(PROFILING)
RtsFlags.ParFlags.nNodes = 1;
#else
Perhaps #10317 is related?
https://ghc.haskell.org/trac/ghc/ticket/10317
You might try building with the latest ghc-7.10 branch.
On Wed, Jun 3, 2015 at 12:27 AM, Evan Laforge qdun...@gmail.com wrote:
On Tue, Jun 2, 2015 at 7:20 PM, Carter Schonwald
carter.schonw...@gmail.com wrote:
could you
Please,
consider my recent bug report
overlapping instances in 7.10.1
(see my resent email to this list).
--
Sergei
On Tue, 2015-06-02 at 16:31 -0500, Austin Seipp wrote:
Hi *,
I've just finished merging all the latest patches for GHC 7.10.2 into
the STABLE branch. All in all, we've
There have been some requests for a Cabal library release for 7.10.2. I
remember something about truncate directories/symbol names being an issue.
I'm CC:ing the Cabal mailing list for comments.
On Wed, Jun 3, 2015 at 3:40 PM, Sergei Meshveliani mech...@botik.ru wrote:
Please,
consider my