ocaml-lib-devel

[Ocaml-lib-devel] High Level IO

[Nicolas C. <war...@fr...>]

Hi list,

I just commited today on the CVS the IO module already presented a few
months ago.
I'll like it to be a base for future work on abstract high-level IO.
Don't hesitate to review it and propose additionals functions.

Best Regards,
Nicolas Cannasse

Re: [Ocaml-lib-devel] High Level IO

[Yamagata Y. <yor...@mb...>]

From: "Nicolas Cannasse" <war...@fr...>
Subject: [Ocaml-lib-devel] High Level IO
Date: Sun, 21 Mar 2004 11:12:22 +0100

> I just commited today on the CVS the IO module already presented a few
> months ago.

IO.ml seems broken.  The definition of the "pipe" is incomplete.

--
Yamagata Yoriyuki

Re: [Ocaml-lib-devel] High Level IO

[Nicolas C. <war...@fr...>]

> > I just commited today on the CVS the IO module already presented a few
> > months ago.
> 
> IO.ml seems broken.  The definition of the "pipe" is incomplete.
> 

That's true...I committed a little fast, 
I just removed "pipe" from the IO module.

Nicolas Cannasse

Re: [Ocaml-lib-devel] High Level IO

[Yamagata Y. <yor...@mb...>]

From: "Nicolas Cannasse" <war...@fr...>
Subject: Re: [Ocaml-lib-devel] High Level IO
Date: Mon, 22 Mar 2004 11:27:32 +0100

> > > I just commited today on the CVS the IO module already presented a few
> > > months ago.
> > 
> > IO.ml seems broken.  The definition of the "pipe" is incomplete.
> > 
> 
> That's true...I committed a little fast, 
> I just removed "pipe" from the IO module.
> 
> Nicolas Cannasse

So, you made all IO non-blocking.  (I mean success of reading operation is
not guaranteed.)  It would make an operation like reading the whole
contents of channel into string to be very difficult...

--
Yamagata Yoriyuki

Re: [Ocaml-lib-devel] High Level IO

[Nicolas C. <war...@fr...>]

> > > > I just commited today on the CVS the IO module already presented a
few
> > > > months ago.
> > >
> > > IO.ml seems broken.  The definition of the "pipe" is incomplete.
> > >
> >
> > That's true...I committed a little fast,
> > I just removed "pipe" from the IO module.
> >
> > Nicolas Cannasse
>
> So, you made all IO non-blocking.  (I mean success of reading operation is
> not guaranteed.)  It would make an operation like reading the whole
> contents of channel into string to be very difficult...
>

They are blocking :

let i = IO.input_channel ch in
let data = (match IO.available ch with
    | None -> failwith "unknown data available"
    | Some n -> IO.nread ch n
) in
IO.close_in i;

Nicolas Cannasse

Re: [Ocaml-lib-devel] High Level IO

[Yamagata Y. <yor...@mb...>]

From: "Nicolas Cannasse" <war...@fr...>
Subject: Re: [Ocaml-lib-devel] High Level IO
Date: Thu, 25 Mar 2004 21:55:21 +0100

> They are blocking :
> 
> let i = IO.input_channel ch in
> let data = (match IO.available ch with
>     | None -> failwith "unknown data available"
>     | Some n -> IO.nread ch n
> ) in
> IO.close_in i;

My comment of "non-blocking" is based on pipe code which you
withdrawn.  Do you intend to resurrect it?  

Re: [Ocaml-lib-devel] High Level IO

[Richard J. <ri...@an...>]

This might be an interesting model for an IO library:

http://www.perl.com/pub/a/2004/03/12/ioall.html
http://search.cpan.org/~ingy/IO-All-0.15/lib/IO/All.pm

Rich.

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