[plt-scheme] to define, or to let
At Tue, 23 Mar 2004 10:45:02 -0500, Joe Marshall wrote:
> When MzScheme encounters an error, by default it prints an error
> message and returns to the top level. I don't care if it returns a
> 42, a list of 23 elements, or no values whatsoever.
I do.
> In unix, programs can (and often do) terminate with a bus-error or
> segmentation fault. Suppose I redefined the library to make it
> impossible to end with a bus-error by protecting bus-mapped segments.
> Now I only get segmentation faults. I think everyone will agree that
> this is change in the meaning (denotation) of an incorrect program.
> Do you care which OS error terminates your program?
Yes. This specific example is why Adam and I prefer to debug MzScheme3m
in FreeBSD or Mac OS X, and not Linux.
Matthew