Edsko de Vries wrote:
Hi,
Is there a nice way to pretty-print such an expression with the minimal
number of brackets? I can come up with something, but I'm sure somebody
thought hard about this problem before and came up with a really nice
solution :)
Any hints or pointers would be appreciated,
I've searched all over the place, and I can't find this information
actually "announced" anywhere except on the GHC homepage itself. And
yet, I've seen emails bouncing around that appear to be replies to the
announcement email. But I can't find the actual announcement email
anywhere. Am I g
Roberto Zunino wrote:
Allan Clark wrote:
-- Create the process
do (_pIn, pOut, pErr, handle) <- runInteractiveCommand command
-- Wait for the process to finish and store its exit code
exitCode <- waitForProcess handle
Warning: this will get stuck if the command out
Jules Bean wrote:
Maurício wrote:
Hi,
How can I call a program (like, for instance,
'grep text *') and get the standard output?
All actions I found (executeFile, system) do
not give me the output of the program.
http://haskell.org/ghc/docs/latest/html/libraries/process-1.0.0.0/System-Process
Donald Bruce Stewart wrote:
Just a quick note to say that the Haskell implementation shootout is
progressing, now supporting jhc, fixing a range of bugs, and providing
more benchmark programs. Nice average numbers are also reported for the
relative performance of each compiler or interpreter.
On
i.e. to use Monad.Writer in stead of Monad.State. The point is that for
example 'typedProgram' does not really depend on the contents of 'log',
but the dependencies in your code don't express this. One should switch from
Log -> (a, Log)
to
(a, Log -> Log)
or even
(a, Log)
if Log alre
Nick wrote:
Hi all,
(Another topic stolen from a Russian forum discussion).
As everyone know, there are lot of strict languages, that have
possibilities to "switch on" lazy evaluation when needed.
But the examples that I saw on Haskell, there was not much use of lazy
evaluation, often there
Dougal Stanton wrote:
I was trying to write my own equivalent to Don Stewart's mkcabal but
ended up getting sidetracked. I made some generalised prompts for use at
the command line and wanted to get some feedback on them.
The full code can be found at [1] but the basic summary is like this:
