HaloO,
Ovid wrote:
In other words, I think we could get proper constraint programming if a
subset can mutate its variable. Otherwise, all assignment would need
to be wrapped inside of an eval and the code would be more bug-prone.
I must admit that I hardly follow that statement. Why are
HaloO,
Daniel Ruoso wrote:
In fact, I doubt that there's a way to completely avoid any possible
side effects on this closures. as the very first line of the closure
shows:
$_.inside_of(...)
This is a plain method call, there's no way to tell if this method will
change anything inside the
--- TSa [EMAIL PROTECTED] wrote:
I must admit that I hardly follow that statement. Why are
side-effects
essential to achieve constraint programming and why do you think that
the way to get at the constraint programming paradigm are the subset
type definitions?
Because I can't think of any
--- TSa [EMAIL PROTECTED] wrote:
Daniel Ruoso wrote:
In fact, I doubt that there's a way to completely avoid any
possible
side effects on this closures. as the very first line of the
closure
shows:
$_.inside_of(...)
This is a plain method call, there's no way to tell if
HaloO,
On Monday, 16. June 2008 10:11:49 Ovid wrote:
For example, should the pre/postfix '++' be
listed as having a side-effect?
I think so. But the scope where these side-effects take
place is important as well. In your second example below
the side-effect is restrained to the subs scope.
Seg, 2008-06-09 às 23:36 +0100, Ovid escreveu:
--- Jonathan Worthington [EMAIL PROTECTED] wrote:
By default, block parameters (including $_) are readonly,
I hope that is a deep readonly? In other words, if $_.position returns
an array reference, can I mutate a value in that reference and the
Anyone have any idea why Google is not indexing the official Perl 6
documentation at perlcabal.org/syn? I checked the robots.txt and it
looks fine:
http://www.perlcabal.org/robots.txt
But the search box on http://www.perlcabal.org/syn/ returns nothing.
Specifically, I was looking for the
Ovid wrote:
Anyone have any idea why Google is not indexing the official Perl 6
documentation at perlcabal.org/syn? I checked the robots.txt and it
looks fine:
http://www.perlcabal.org/robots.txt
But the search box on http://www.perlcabal.org/syn/ returns nothing.
The whole domain
Ovid wrote:
Specifically, I was looking for the documentation on how subsets work
See S12:
http://dev.perl.org/perl6/doc/design/syn/S12.html#Types_and_Subtypes
as it looks like we can get declarative style constraint programming
for free:
subset Crosshair of Point where {
--- Moritz Lenz [EMAIL PROTECTED] wrote:
Ovid wrote:
Anyone have any idea why Google is not indexing the official Perl 6
documentation at perlcabal.org/syn? I checked the robots.txt and
it
looks fine:
http://www.perlcabal.org/robots.txt
But the search box on
Ovid wrote:
Well, looking at the examples that you and Jonathan listed, I see I
should refine my question. For example:
subset Crosshair of Point where {
$_.inside_of($target_area)
||
$target_area.has_moved
?? $_.move_inside($target_area)
::
--- Jonathan Worthington [EMAIL PROTECTED] wrote:
Ovid wrote:
By default, block parameters (including $_) are readonly,
I hope that is a deep readonly? In other words, if $_.position returns
an array reference, can I mutate a value in that reference and the
state of $_ is thereby changed?
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