For some projects, the overhead of building proper Haskell bindings is far
greater than coding more in C++ and having a simple binding layer. The same
goes for Scala and Python. We've been using Protocol Buffers as the common
pickling engine, which alleviates us from porting everything (lots of
Hi there,
I use llvm package for building compiler for a small C-like language and it
have some problems with high-level interface that package provides. I use
simple scheme:
[parser] - (untyped AST) - [analyser] - (typed AST) - [LLVM] - (object
code).
At first, as I want to use high-level
On Thu, 2011-05-12 at 19:31 +0200, Daniel Fischer wrote:
Minor nitpick: instead of doing 'sort . nub', please use 'import
qualified Data.Set as S' and do 'S.toAscList . S.fromList'. This
should be a lot faster.
Or `map head . group . sort', which may be faster than building an
On Sunday 15 May 2011 15:32:03, Herbert Valerio Riedel wrote:
On Thu, 2011-05-12 at 19:31 +0200, Daniel Fischer wrote:
Minor nitpick: instead of doing 'sort . nub', please use 'import
qualified Data.Set as S' and do 'S.toAscList . S.fromList'. This
should be a lot faster.
Or `map
Hi Cafe. I wonder if it is possible to write a IO putback function
with following interface
putback :: a - IO a - IO a
putback x io = ???
where io is some action like reading from file or socket.
I want putback to build new action which will return x on first call,
and continue executing io
Hi,
how can I install the base-4.3.1.0 package. I tried first
cabal install base
that gives me this error:
Resolving dependencies...
cabal: Distribution/Client/Dependency/TopDown.hs:169:37-73:
Non-exhaustive patterns in lambda
I googled for this error and found nothing but the simple
On 15 May 2011, at 15:35, Immanuel Normann wrote:
Why is it so complicated to install the base package?
You cannot upgrade the base package that comes with ghc.
It's a bad design, but there we go.
Regards,
Malcolm
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On Sunday 15 May 2011 16:35:35, Immanuel Normann wrote:
Hi,
how can I install the base-4.3.1.0 package. I tried first
No. That can't work (at least with GHC). The base package is one of the
packages that the compiler was built with, it is impossible to replace it
and have a working compiler
I'm sorry, but I don't fully understand what do you want from putback.
If putback'ed action does io and then returns x, it's trivial:
putback x io = io return x
If you want putback'ed action to return x on its first call and do io on
second, third... calls, then you need to put
I think you need to change the type of putback slightly:
import Data.IORef
putback :: a - IO a - IO (IO a)
putback a action =
do next - newIORef a
return (do r - readIORef next; writeIORef next = action; return r)
main =
do getChar' - putback 'a' getChar
str - sequence $ take
On 5/14/11 6:12 PM, Nathan Howell wrote:
Waf supports parallel builds and works with GHC without too much trouble.
I'm surprised no-one has yet mentioned Shake, a build tool/library written in
Haskell. It does parallel builds, multi-language working, accurate
dependencies, etc etc. I use
On Sun, May 15, 2011 at 8:21 AM, Malcolm Wallace malcolm.wall...@me.com wrote:
On 5/14/11 6:12 PM, Nathan Howell wrote:
Waf supports parallel builds and works with GHC without too much trouble.
I'm surprised no-one has yet mentioned Shake, a build tool/library written in
Haskell. It does
On 15 May 2011 18:46, Rogan Creswick cresw...@gmail.com wrote:
On Sun, May 15, 2011 at 8:21 AM, Malcolm Wallace malcolm.wall...@me.com
wrote:
On 5/14/11 6:12 PM, Nathan Howell wrote:
Waf supports parallel builds and works with GHC without too much trouble.
I'm surprised no-one has yet
Tsuru Capital has openings for three month interns in the offices in Tokyo
and in Singapore. Positions are available immediately and for the summer.
We are looking for people with moderate experience with Haskell or another
functional programming language. Evidence of work written in Haskell is
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