Chip Salzenberg wrote:
How about a 'default' opcode that provides a value instead of null? It
would work for strings and PMCs. Something like:
$S0 = default hsh['key'], ''
or
$P0 = new .Undef
...
$P1 = default hsh['key1'], $P0
$P1 = default hsh['key2'], $P0
..
Am Donnerstag, 17. August 2006 08:24 schrieb Chip Salzenberg:
> The None class serves no useful (portable) purpose and it should be
> removed, especially from the public interface of Hash.
This ticket could be closed, but replying to rt would reopen it - please check
subjects and recipients in th
Am Donnerstag, 17. August 2006 08:24 schrieb Chip Salzenberg:
> The None class serves no useful (portable) purpose and it should be
> removed, especially from the public interface of Hash.
... and the None class is gone.
As mentioned:
$S0 = hsh['no_such_key']
is unchanged and returns ''
and
On Fri, Aug 18, 2006 at 12:17:58AM +0200, Leopold Toetsch wrote:
> A lot of src/string string_ operations are capable of dealing with NULL
> strings currently [1]. *But* that's AFAIK specificied nowhere, and might just
> be an accident, i.e. an extra (unneeded/unwanted) check for A NULL argument.
Am Donnerstag, 17. August 2006 21:55 schrieb Chip Salzenberg:
> > $S0 = hsh['key']
> >
> > with
> >
> > $S0 = hsh['key']
> > unless null $S0 goto label
> > $S0 = ''
> > label:
>
> Indeed. I think we can reduce the pain of dealing with this to the point
> where you'll hardly feel
Am Donnerstag, 17. August 2006 21:50 schrieb Chip Salzenberg:
> > Folks, please check your usage of testing for existing hash keys.
>
> Well, we (core hackers) changing the interface out from underneath them, so
> if their code breaks, we should fix it up, if we can. Code outside the svn
> tree (e
On 8/17/06, Patrick R. Michaud <[EMAIL PROTECTED]> wrote:
There might be a cognitive dissonance here with "err", since
C in pasm/pir is testing for null, while C in
perl6 tests for definedness. While it doesn't much matter
for strings in the examples above, it might make a difference for
$
On Thu, Aug 17, 2006 at 01:11:00PM -0700, jerry gay wrote:
> On 8/17/06, Chip Salzenberg <[EMAIL PROTECTED]> wrote:
> > $S0 = default hsh['key'], ''
> >[...]
> > $P0 = new .Undef
> > $P1 = default hsh['key1'], $P0
> > $P1 = default hsh['key2'], $P0
> > ...
> >
> >It would work w
On Thu, Aug 17, 2006 at 12:55:54PM -0700, Chip Salzenberg wrote:
> {DESIGNER ALERT - Allison, what think?}
>
> On Thu, Aug 17, 2006 at 12:31:11PM -0700, Patrick R. Michaud via RT wrote:
> > I rely on the "return empty string" behavior. In particular, changing it
> > to return NULL will mean in ma
On 8/17/06, Chip Salzenberg <[EMAIL PROTECTED]> wrote:
How about a 'default' opcode that provides a value instead of null? It
would work for strings and PMCs. Something like:
$S0 = default hsh['key'], ''
or
$P0 = new .Undef
...
$P1 = default hsh['key1'], $P0
$P1 = d
{DESIGNER ALERT - Allison, what think?}
On Thu, Aug 17, 2006 at 12:31:11PM -0700, Patrick R. Michaud via RT wrote:
> I rely on the "return empty string" behavior. In particular, changing it
> to return NULL will mean in many places that I will have to replace
> single-line key lookups
>
> $S
On Thu, Aug 17, 2006 at 12:13:30PM -0700, Leopold Toetsch via RT wrote:
> Am Donnerstag, 17. August 2006 08:24 schrieb Chip Salzenberg:
> > The None class serves no useful (portable) purpose and it should be
> > removed, especially from the public interface of Hash.
>
> I've started fixing that.
On Thu, Aug 17, 2006 at 09:12:07PM +0200, Leopold Toetsch wrote:
> A releated change:
>
> $S0 = hsh['no_such_key']
>
> used to return an empty STRING*, it'll soon return a NULL STRING*.
Just a note (to copy from irc #parrot) -- this will cause a number
of things in PGE and perl6 to break, as
Am Donnerstag, 17. August 2006 08:24 schrieb Chip Salzenberg:
>
> The None class serves no useful (portable) purpose and it should be
> removed, especially from the public interface of Hash.
I've started fixing that. I'll do that in small steps, as there are some build
and test errors. The main p
# New Ticket Created by Chip Salzenberg
# Please include the string: [perl #40178]
# in the subject line of all future correspondence about this issue.
# http://rt.perl.org/rt3/Ticket/Display.html?id=40178 >
The None class serves no useful (portable) purpose and it should be removed,
especial
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