[Haskell-cafe] Re: Wikipedia on first-class object
lennart at augustsson.net
Fri Dec 28 18:25:43 EST 2007
You are right, Portable Haskell Dynamic libraries do not exist because the
Haskell standard does not talk about them at all.
Portable C Dynamic libraries do not exist either. Given POSIX they exist,
but if you happen upon a platform that only has a C compiler it won't have
On Dec 28, 2007 7:08 PM, Cristian Baboi <cristian.baboi at gmail.com> wrote:
> On Fri, 28 Dec 2007 19:18:33 +0200, ChrisK <haskell at list.mightyreason.com>
> > This thread is obviously a source of much fun. I will play too.
> Well, it starts with Wikipedia ... :-)
> >> What is the definition of an entry point in Haskell ?
> > "Haskell" does not have such a concept. At all. An implementation may
> > have
> > such a concept.
> Then a Haskell module know nothing about them.
> > Most people on this list define "Haskell" as any attempt at an
> > implementation of
> > one of the standards which define Haskell, most recently the Hakell 98
> > standard.
> > This can be nhc / yhc / ghc / hugs / winhugs / helium / jhc. Some of
> > these
> > compile to native code, some compile to byte code for a virtual
> > machine. If an
> > implementation can compile separately, then it might support dynamic
> > libraries.
> > If so then a specific version of that compiler will define its own
> > implementation specific concept of an entry point.
> How can one make portable dynamic libraries then ?
> >> What is the semantics of those entry points ?
> > It depends. For recent ghc versions, see its user manual:
> > http://haskell.org/ghc/docs/latest/html/users_guide/win32-dlls.html
> The conclusion:
> Portable Haskell Dynamic libraries does not exists.
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> Haskell-Cafe at haskell.org
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