Ben Rudiak-Gould (Sun, Jul 27, 2003 at 09:35:41PM -0700):
module System.ProposedNewIOModel (...) where
I assume that all I/O occurs in terms of octets. I think that this
holds
true of every platform on which Haskell is implemented or is likely to
be
implemented.
type Octet = Word8
just out of curiosity, which is the proper idiom?
trace a = r - catch a (\e - putStr exceptional\n throw e)
trace a = r - catch a (\e - putStr exceptional\n ioError e)
I am worried that one might subtly change the semantics of an execption
depending on how it was originally thrown... but i
Just conservatism. Imagine
newtype T = MkT [T] deriving(Eq)
You'd get
instance Eq [T] = Eq T
which will make the type checker loop for sure. I'm not sure what a
safe approximation might be. But I'll put your example in a comment in
the source code as an example of a safe one
I'm redirecting this to ghc bugs and cvs-ghc.
The conclusion is that 'make install' on Win32 is currently broken.
(Mostly people install from the .msi installer, which is why it's not
much exercised.) I doubt it's really hard, just ticklish.
Does any Win32 expert feel like fixing it? We'd be
Bugs item #779150, was opened at 2003-07-28 20:31
Message generated for change (Comment added) made by simonpj
You can respond by visiting:
https://sourceforge.net/tracker/?func=detailatid=108032aid=779150group_id=8032
Category: Driver
Group: 6.0
Status: Closed
Resolution: Fixed
Priority: 5
Hi Simon.
If it's still a problem in approx one month I'll look into fixing it then as
I feel that there may be areas of commonality with the nightly build bindist
packaging for Windows - notably the way the MinGW32 C compiler is dealt with
(or even at all with make install I suppose).
Cheers
Excellent, thank you. Will you assume yes please, and get back in
touch in a month? If it's been done by then, I'll tell you.
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Simon Peyton-Jones wrote:
Just conservatism. Imagine
newtype T = MkT [T] deriving(Eq)
You'd get
instance Eq [T] = Eq T
which will make the type checker loop for sure.
Actually not.
swan(102)% cat Deriving.hs
newtype N = N [N] deriving Eq
n1 = N []
n2 = N []
n3 = N
Ahem. What I should have said is that the list of alternatives always
covers all cases that can occur. For example in
data Foo = Red | Green | Blue
...case x of
Red - True
other - ...(case x of
Green - ...
Blue - ... ) ...
The
Dear list,
I am puzzled by the behaviour of this (stripped-down, uglified) program.
It is supposed to run a bunch of shell commands simultaneously,
collate their standard output and error, and print their output as
though they had run sequentially.
module Main where
import
On Tuesday, Jul 29, 2003, at 10:19 Europe/London, Malcolm Wallace wrote:
Thomas Davie [EMAIL PROTECTED] writes:
I'm just trying to get started with haskell and have been having
some
problems getting hmake to compile. For some reason it doesn't detect
libreadline. FYI, I'm running Mac OS
On Tuesday, Jul 29, 2003, at 11:16 Europe/London, Keith Wansbrough
wrote:
I was wondering if idiocy was my problem there, I don't see the
directory though:
[nimbus2:project/hmake-3.08/targets] tatd100% ls -la
total 0
drwxr-xr-x 3 tatd100 staff 102 Jul 29 10:42 .
drwxr-xr-x 14 tatd100 staff
I've got resource acquisition (and release) code which looks like this at
present:
connect = do
envHandle - envCreate
errHandle - handleAlloc oci_HTYPE_ERROR envHandle
serverHandle - handleAlloc oci_HTYPE_SERVER envHandle
connection - dbLogon user password database envHandle
I did a small search for parsing a comma seperated file in Haskell and didn't
find anything-- so I put together some code to do this. It doesn't handle
whitespace very well, this would be a nice addition if someone has an idea
out there. Also the rows method, I had trouble just using two do
Shawn P. Garbett wrote:
I did a small search for parsing a comma seperated file in Haskell and didn't
find anything--
I threw one together a while ago:
http://www.xoltar.org/languages/haskell/CSV.hs
which isn't much different than your example, though it does handle
nested quotation marks.
Nevermind the previous version, I've solved a few bugs in it (like unquoted
numbers and correctly handling blank fields).
1. Any string without commas or newlines can be unquoted; no need to restrict it to
digits.
2. In a quoted string, (that is, two double quotes) stands for one double
Hey, I wrote a CSV parser too. seeing as how this seems like a common
thing (having 3 independent implementations at least), perhaps it
belongs in libraries somewhere? some area dedicated to useful little
grammers would be handy. csv, c header files, .x (rpcgen), various
preference file formats,
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On Tuesday 29 July 2003 01:40 pm, John Meacham wrote:
Hey, I wrote a CSV parser too. seeing as how this seems like a common
thing (having 3 independent implementations at least), perhaps it
belongs in libraries somewhere? some area dedicated to
perhaps something like 'vim.sf.net's script section. where anyone can
post a script (or haskell file). and everyone can immediatly see and
download it. the good ones filter to the top, and since the individual
files don't need to be part of a larger library infrastructure there is
much more
On Wednesday 16 July 2003 00:02, Hal Daume wrote:
But it looks the Graph class works on types a and b
where a is the Node type where b is the Edge type, or
just the other way around :), I don't have the code
right now.
Yes, 'Graph n e' is a graph whose nodes are labelled with elements of
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