Re: [Chicken-users] various questions

[felix winkelmann]

On 1/10/07, minh thu <address@hidden> wrote:
> Hi,
>
> I've used PRINT, DISPLAY, WRITE, and NEWLINE in a thread created from
> csi (the actual
> thread-making function is in a .so). The thread is just a loop waiting
> one second before the next
> iteration. Strangely, I tried many times, and some times I have no
> output but got NEWLINE. Another time I had output. I used FLUSH-OUTPUT
> but it changed nothing.

Do you run csi in a console window or in emacs? Is this on a UNIX system?

> Is it possible to require-extension on different extensions but each
> of them having the same exported functions, for example by putting
> explicitly the extension in a namespace when requiring it ?

No, you would have to use a module system (like provided by
syntax-case, for example).

> Is there support for choosing a version of an extension, for example
> if the new version deprecates something my application uses ?

No, this is currently not possible.

> Something like mailbox wraps an adt. Is it possible to write it so the
> user of the extension can choose another adt to be wrapped (without
> compiling) ?

Could you elaborate on this? Do you want to let the user specify the
actual record type, or it's contents?


cheers,
felix