#4359: Implement lambda-case/lambda-if
---+
Reporter: batterseapower| Owner:
Type: feature request | Status: new
Priority: normal| Milestone:
#7053: Panic with PolyKinds + GADTs
--+-
Reporter: dreixel | Owner:
Type: bug | Status: new
Priority: normal| Component:
#5909: Segfault with multi-threaded retainer profiling
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Reporter: akio| Owner: simonmar
Type: bug | Status: new
Priority: high|
#7048: Add the ability to statically define a `FunPtr` to a haskell function
-+--
Reporter: pcapriotti| Owner:
Type: feature request | Status: new
#7051: Runtime system crash (OS X intel -N greater than 4)
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Reporter: ndaniels| Owner:
Type: bug | Status: infoneeded
Priority: normal |
#7052: Numeric types’ Read instances use exponential CPU/memory
--+-
Reporter: andersk | Owner:
Type: bug | Status: closed
#4359: Implement lambda-case/lambda-if
---+
Reporter: batterseapower| Owner:
Type: feature request | Status: new
Priority: normal| Milestone:
#7052: Numeric types’ Read instances use exponential CPU/memory
--+-
Reporter: andersk | Owner:
Type: bug | Status: closed
#7052: Numeric types’ Read instances use exponential CPU/memory
--+-
Reporter: andersk | Owner:
Type: bug | Status: new
#7052: Numeric types’ Read instances use exponential CPU/memory
--+-
Reporter: andersk | Owner:
Type: bug | Status: new
#7052: Numeric types’ Read instances use exponential CPU/memory
--+-
Reporter: andersk | Owner:
Type: bug | Status: closed
#4862: Enable usage of gold linker with GHC
--+-
Reporter: ajd | Owner: igloo
Type: feature request | Status: new
Priority: normal |
#6167: Compile stalls with pause returning ERESTARTNOHAND
-+--
Reporter: erikd | Owner:
Type: bug | Status: new
Priority: normal
#6156: Optimiser bug on linux-powerpc
--+-
Reporter: erikd| Owner: pcapriotti
Type: bug | Status: new
Priority: normal
#6156: Optimiser bug on linux-powerpc
--+-
Reporter: erikd| Owner: pcapriotti
Type: bug | Status: new
Priority: normal
#5289: Can't use ghci with a library linked against libstdc++
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Reporter: bos | Owner:
Type: bug | Status: new
Priority: normal
#1658: CSE changes semantics
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Reporter: guest | Owner: igloo
Type: bug | Status: closed
Priority: normal| Milestone:
#7014: RULES for bitwise logic and shift primops
-+--
Reporter: akio | Owner: pcapriotti
Type: feature request | Status: patch
Priority: normal|
#7040: ghci segfault on OS X X86_64 with foreign global data
--+-
Reporter: luite | Owner:
Type: bug | Status: new
Priority: normal|
#7040: ghci segfault on OS X X86_64 with foreign global data
--+-
Reporter: luite | Owner:
Type: bug | Status: new
Priority: normal|
#7054: Compile failure on non x86/x86-64
-+--
Reporter: erikd| Owner:
Type: bug | Status: new
Priority: normal |
#6167: Compile stalls with pause returning ERESTARTNOHAND
-+--
Reporter: erikd | Owner:
Type: bug | Status: new
Priority: normal
#6156: Optimiser bug on linux-powerpc
--+-
Reporter: erikd| Owner: pcapriotti
Type: bug | Status: new
Priority: normal
#7040: linker failures with foreign global data
--+-
Reporter: luite | Owner:
Type: bug | Status: new
Priority: normal|
#7055: GHCi loadArchive libiconv.a:failed Unknown PEi386 section name
`.drectve'
+---
Reporter: songpp | Owner:
Type: bug | Status: new
#7056: GHCi loadArchive libiconv.a:failed Unknown PEi386 section name
`.drectve'
+---
Reporter: songpp | Owner:
Type: bug | Status: new
#7055: GHCi loadArchive libiconv.a:failed Unknown PEi386 section name
`.drectve'
---+
Reporter: songpp |Owner:
Type: bug | Status: closed
On 07/06/2012 05:47 AM, Donn Cave wrote:
The `multi-clause lambda' seems more elegant, if the syntactical
problems could be worked out. I mean, unnamed functions are thus
just like named functions, something that you'd probably think to
try just as soon as you needed the feature.
I don't
On 07/05/2012 10:22 PM, wagne...@seas.upenn.edu wrote:
Quoting Mikhail Vorozhtsov mikhail.vorozht...@gmail.com:
After 21 months of occasional arguing the lambda-case proposal(s) is
in danger of being buried under its own trac ticket comments. We need
fresh blood to finally reach an agreement
Oh, neat. I guess it does. :) I'll hack that into my grammar when I get into
work tomorrow.
My main point with that observation is it cleanly allows for multiple argument
\of without breaking the intuition you get from how of already works/looks or
requiring you to refactor subsequent lines,
On 07/06/2012 02:31 AM, Tyson Whitehead wrote:
On July 5, 2012 10:42:53 Mikhail Vorozhtsov wrote:
After 21 months of occasional arguing the lambda-case proposal(s) is in
danger of being buried under its own trac ticket comments. We need fresh
blood to finally reach an agreement on the syntax.
On 07/05/2012 09:42 PM, Mikhail Vorozhtsov wrote:
Hi.
After 21 months of occasional arguing the lambda-case proposal(s) is in
danger of being buried under its own trac ticket comments. We need fresh
blood to finally reach an agreement on the syntax. Read the wiki
page[1], take a look at the
Twan,
The 0-ary version you proposed actually works even nicer with \of.
foo'' = case () of
() | quux - ...
| quaffle - ...
| otherwise - ...
Starting from the above legal haskell multi-way if, we can, switch to
foo' = case of
| quux - ...
| quaffle - ...
| otherwise - ...
Christopher Done chrisd...@gmail.com writes:
P.S. \if then … else …?
btw, http://www.haskell.org/haskellwiki/If-then-else
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Glasgow-haskell-users mailing list
Glasgow-haskell-users@haskell.org
On 05/07/2012 20:31, Tyson Whitehead wrote:
On July 5, 2012 10:42:53 Mikhail Vorozhtsov wrote:
After 21 months of occasional arguing the lambda-case proposal(s) is in
danger of being buried under its own trac ticket comments. We need fresh
blood to finally reach an agreement on the syntax. Read
try with -ddump-rule-firings -dverbose-core2core -ddump-occur-anal
-ddump-inlinings.
You'll get a lot of output ,but you may either see (a) output stops but
computer gets hot, (b) output goes on and on.
use HEAD if you can
Simon
| -Original Message-
| From:
On July 6, 2012 05:25:15 Simon Marlow wrote:
Why not just let enclosed scopes be less indented than their outer ones?
Let me be entirely clear about what I was thinking about. The third case for
the layout mapping in Section 9.3 of the report is
L ({n}:ts) (m:ms) = { : (L ts
On 05/07/2012, Mikhail Vorozhtsov mikhail.vorozht...@gmail.com wrote:
Hi.
After 21 months of occasional arguing the lambda-case proposal(s) is in
danger of being buried under its own trac ticket comments. We need fresh
blood to finally reach an agreement on the syntax. Read the wiki
page[1],
Whoops, my earlier answer forgot to copy mailing lists... I would love to
see \of, but I really don't think this is important enough to make case
sometimes introduce layout and other times not. If it's going to obfuscate
the lexical syntax like that, I'd rather just stick with \x-case x of.
On
On Fri, Jul 6, 2012 at 7:18 AM, Simon Peyton-Jones
simo...@microsoft.com wrote:
try with -ddump-rule-firings -dverbose-core2core -ddump-occur-anal
-ddump-inlinings.
You'll get a lot of output ,but you may either see (a) output stops but
computer gets hot, (b) output goes on and on.
use
Hi all,
Recently I am tuning one of our incomplete libraries that uses FFI.
After dumping the interface file I realized strictness/demand analysis
failed for imported foreign functions---that is, they are not inferred
to be strict in their arguments. In my naive understanding all
imported foreign
On July 6, 2012 11:49:23 Tyson Whitehead wrote:
Currently it depends on the depth of this new level of indentation relative
to all the groupings started on that line. I think most people would
expect it to just apply to the last grouping though. That is
where { f x = do {
stmt1
stmt2
I'm pleased to announce the first release of lens-family-core and
lens-family.
This package provide first class(†) functional references. In addition to
the usual operations of getting, setting and composition, plus integration
with the state monad, lens families provide some unique features:
I would like to announce the release of husk-scheme 3.5.6, a Scheme
extension language and stand-alone interpreter/compiler that I have been
developing. husk implements most of the Scheme R5RS standard including
advanced features such as continuations, hygienic macros, and a full
numeric tower.
Kangyuan Niu wrote:
Aren't both Haskell and SML translatable into System F, from which
type-lambda is directly taken?
The fact that both Haskell and SML are translatable to System F does
not imply that Haskell and SML are just as expressive as System
F. Although SML (and now OCaml) does have
Tsuyoshi Ito tsuyoshi.ito.2...@gmail.com wrote:
How can I use combinators like repeat, which takes a plain function as
an argument, in the arrow notation in a more readable way? Or am I
trying to do an impossible thing?
To answer your question: Arrow notation has no support for what you
Hi Eric (et Café),
On Thu, Jul 5, 2012 at 5:13 PM, Eric Kow wrote:
*[Everybody should write everything in Go?][m7] (28 May)
Ryan Hayes posted a small [snippet of Go][go-snippet] showing how
friendly he found it for writing concurrent programs, “No
pthread... not stupid
Ooh, nice catch. Fixed on the HTML version.
http://www.well-typed.com/blog/67
Subject line makes me wonder how often the digests get caught in people's spam
filters
Oh and while I'm at it, I'll take the opportunity to plug the PH Digest survey
(I'll be annoying and make a reminder post just
Dear Ertugrul,
Thank you for your input.
To answer your question: Arrow notation has no support for what you
want, so if you stick with it you will have to write the inner proc
explicitly.
Oh. I was afraid of that.
However: The code may look much nicer, if you use applicative style for
On Fri, Jul 6, 2012 at 4:03 PM, Eric Kow wrote:
Subject line makes me wonder how often the digests get caught in people's
spam filters
Oops! Should have removed that part before replying. I think it comes from
the university's mail server, and it's rather obnoxious. I tend to ignore
it.
As I was using predicates (a - bool) , it appeared the need for combining
them with a boolean operator (bool - bool - bool) in order to get a new
predicate
combining the previous two. So I wrote my function combinerPred (see code
below). While I think this is JUST ok, i'm feeling a monad in the
The link to the CUFP job posting is working now. (After I posted the
previous message I found in my inbox an email telling me that the post will
be live after it's been approved -- it is now). I was also able to post it
on Haskellers ( http://www.haskellers.com/jobs/14 ).
Posting on CUFP was
I'm pleased to announce the first release of lens-family-core and
lens-family.
This package provide first class(†) functional references. In addition to
the usual operations of getting, setting and composition, plus integration
with the state monad, lens families provide some unique features:
Hackage links for anyone as lazy as myself =).
http://hackage.haskell.org/package/lens-family-core
http://hackage.haskell.org/package/lens-family
--
Felipe.
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On Fri, Jul 6, 2012 at 2:11 PM, Sebastián Krynski skryn...@gmail.com wrote:
As I was using predicates (a - bool) , it appeared the need for combining
them with a boolean operator (bool - bool - bool) in order to get a new
predicate
combining the previous two. So I wrote my function
On Fri, Jul 06, 2012 at 03:17:54PM -0300, Felipe Almeida Lessa wrote:
On Fri, Jul 6, 2012 at 2:11 PM, Sebastián Krynski skryn...@gmail.com wrote:
As I was using predicates (a - bool) , it appeared the need for combining
them with a boolean operator (bool - bool - bool) in order to get a new
Hello Cafe,
Recently I've been playing with the implementation of an algorithm, for
which we already have highly-optimized implementations available (in
plain C/C++ as well as OCaml with calls to C through FFI).
The algorithm works on buffers/arrays/vectors/whatever you want to call
it, which
When using make (or, at least, GNU make) the -k option keeps going
as far as possible after a compilation error. It's handy during
developing--for instance, I know half of my code is busted, but I
just want to see if this file compiles. Is there a similar way to do
this with cabal? Thanks. --Omari
On Fri, Jul 6, 2012 at 1:06 PM, Nicolas Trangez nico...@incubaid.com wrote:
-- This fails:
-- Ambiguous type variable `a0' in the constraint:
-- (Storable a0) arising from a use of `sizeOf'
Here you can either tie a type knot using proxy types or you can use
the scoped type
On Fri, Jul 6, 2012 at 1:43 PM, Thomas DuBuisson thomas.dubuis...@gmail.com
wrote:
The block of memory is sufficiently aligned for any of the basic
foreign types that fits into a memory block of the allocated size.
That's not the same thing as a guarantee of 16-byte alignment, note, as
none
On 05/07/2012, Mikhail Vorozhtsov mikhail.vorozht...@gmail.com wrote:
Hi.
After 21 months of occasional arguing the lambda-case proposal(s) is in
danger of being buried under its own trac ticket comments. We need fresh
blood to finally reach an agreement on the syntax. Read the wiki
page[1],
Thanks, I think I understand it now.
Do you know why they switched over in GHC 6.6?
-Kangyuan Niu
On Fri, Jul 6, 2012 at 3:11 AM, o...@okmij.org wrote:
Kangyuan Niu wrote:
Aren't both Haskell and SML translatable into System F, from which
type-lambda is directly taken?
The fact that
On Fri, 2012-07-06 at 13:43 -0700, Thomas DuBuisson wrote:
On Fri, Jul 6, 2012 at 1:06 PM, Nicolas Trangez nico...@incubaid.com wrote:
-- This fails:
-- Ambiguous type variable `a0' in the constraint:
-- (Storable a0) arising from a use of `sizeOf'
Here you can either tie a
Following the announcement of lens-family, I'm pleased to announce
lens-family-th 0.1.0.0, a Template Haskell library supplying macros to
generate lens-family lenses for fields of data types declared with record
syntax.
Be warned that currently, type signatures are *not* generated alongside the
Whoops, my earlier answer forgot to copy mailing lists... I would love to
see \of, but I really don't think this is important enough to make case
sometimes introduce layout and other times not. If it's going to obfuscate
the lexical syntax like that, I'd rather just stick with \x-case x of.
On
I would like to announce the release of husk-scheme 3.5.6, a Scheme
extension language and stand-alone interpreter/compiler that I have been
developing. husk implements most of the Scheme R5RS
standardhttp://www.schemers.org/Documents/Standards/R5RS/HTML/including
advanced features such as
Hi!
The `constraints` package provides ways to manipulate objects of kind
`Constraint`. I need the same kind of manipulation, except that I need
to work with objects of kind `* - Constraint`. I.e. I need
parameterized constraints that can be applied to different types.
BTW, is there a
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