In a message dated Tue, 15 Oct 2002, Michael G Schwern writes:
> On Tue, Oct 15, 2002 at 01:44:50PM -0500, Jonathan Scott Duff wrote:
> > People have used the terms "error" and "exception" interchangably in
> > this disucssion. To me, an "error" is something that stops program
> > execution while an "exception" may or may not stop execution depending
> > on what the user decides to do about exceptions.
>
> Unless I've missed my mark, Perl errors have always been trappable [1]. Does
> that make them exceptions? We've been calling them errors for years now.
The Perl trainers I've seen have been calling Perl errors "exceptions" for
years now, mostly, I think, to shut up the Javaphiles who think that
they're the only ones that have such a wondrous and unprecedented thing
(at least, that's why I always did it ;-)
> Put another way, is there a significant difference between:
>
> eval {
> $foo = 1/0;
> print "Bar";
> }
> if( $@ =~ /^Illegal division by zero/ ) {
> ... oops ...
> }
>
> and
>
> try {
> $foo = 1/0;
> print "Bar";
> }
> catch {
> when /^Illegal division by zero/ {
> ... oops ...
> }
> }
None that I can see.
Trey
