Re: On the case for exception-based error handling.

[Tony Olekshy]

Chaim Frenkel wrote:
> 
> Actually, why not simply unwind the call stack to the routine that
> has the pragma active.
> 
>         sub foo {use exception; &baz()}
> 
>         sub baz { throw "a fit" }
> 
>         sub bar {
>                 no exception;
>                 &foo();
>         }

Yes.

> The unwind logic would treat a scope with no exception set _as if_
> each call were wrapped in at try block.

I don't think so.  If no exception is in scope Perl should continue
to generate and propagate exceptions (die and $@) as it does now,
so we don't break tradition.

> PS> ***But it's entirely up to each programmer whether or not they use
> PS> Fatal-checking***  This is the Perl way anyway.
> 
> Fatal checking, is for core functions. And optional for module authors.

Yes.

> Then Fatal.pm and exception.pm could possibly be consolidated.

Yes.

I like something like this

> 
> <chaim>
> --
> Chaim Frenkel                                        Nonlinear Knowledge, Inc.
> [EMAIL PROTECTED]                                               +1-718-236-0183