Re: change ni * protos

[Tim Bunce <Tim.Bunce@ig.co.uk>]

On Fri, Jan 21, 2000 at 05:01:07PM -0800, Gurusamy Sarathy wrote:
> On Fri, 21 Jan 2000 16:48:26 MST, Tom Christiansen wrote:
> >Could you please remind me why you intentionally broke
> >
> >    use strict;
> >    sub fn(*) { my $fh = shift;  print $fh "Boo!\n" }
> >    *SNEAK = *STDOUT;
> >    fn(SNEAK);
> 
> Did you see:
> 
>   http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/1999-04/msg00312.html
> 
> The long and the short of it is that the current semantics make it
> possible to override builtins like open() and require(), which need to
> see simple scalar values as they were passed, not as typeglobs.  When
> you see the "*" prototype, think "any scalar including bareword" rather
> than "typeglob".

How about allowing

	sub fn(\*);

to force a ref to a typeglob for those that want it?

Seems reasonably consistent with the other backwacked prototypes.

Tim.

---

Follow-Ups from:

Gurusamy Sarathy <gsar@ActiveState.com>

References to:

Tom Christiansen <tchrist@chthon.perl.com>
Gurusamy Sarathy <gsar@ActiveState.com>

---

[Date Prev][Date Next] [Thread Prev][Thread Next] [Date Index][Thread Index][Top&Search][Original]

---