Re: documentation.scm close files

[Marius Vollmer]

Kevin Ryde <address@hidden> writes:

> Marius Vollmer <address@hidden> writes:
> >
> > What about saying something about 'with-input-from', etc.
> > That's probably the easiest way to ensure that ports are closed even
> > in the case of errors.
> 
> Except that with-input-from-file and call-with-input-file don't
> guarantee to close on error, do they?  :-)

Yep, you are right!  I was talking too fast.

> Due to being let's not dynamic-wind of course, if I'm looking at the
> right code in r4rs.scm.  Presumably this is deliberate, so
> continuations can be captured and still use the port.

Yes.  I really start to think that call/cc does more harm than good.
It is perfect for self contained illustrations of computer science
stuff, but can cause a lot of fuzziness in larger, multi module
systems.

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