Re: Perl 6 built-in types

2006-04-27 Thread Darren Duncan
At 9:07 PM -0700 4/27/06, Mark A. Biggar wrote: I'm not sure that immutable make any sense as a concept separate from constant. A truly immutable object can't even be initialized, it has to be born ex-nilo already with a value. Well, that depends on your philosophy. I would argue that, philoso

Re: Perl 6 built-in types

2006-04-27 Thread Larry Wall
On Fri, Apr 28, 2006 at 04:41:41AM +, Luke Palmer wrote: : It seems like a hash whose values are the unit type. Does Perl have a : unit type? I suppose if it doesn't, we could define one: : :subtype Unit of Int where 1; : : (Assuming that "where" groks whatever "when" does). : : Then y

Re: Perl 6 built-in types

2006-04-27 Thread Luke Palmer
On 4/28/06, Larry Wall <[EMAIL PROTECTED]> wrote: How about Bag, a set container? Alternately what we really want is just a Hash where the type of the value is defined as 1, so it need not be stored at all. Then most of the syntax for it just falls out of Hash syntax, unless you like writing $x

Re: Perl 6 built-in types

2006-04-27 Thread Mark A. Biggar
> How about Bag, a set container? Alternately what we really want is > just a Hash where the type of the value is defined as 1, so it need > not be stored at all. Then most of the syntax for it just falls out > of Hash syntax, unless you like writing $x ∈ $bag instead of $bag{$x}. > Presumably w

Re: Perl 6 built-in types

2006-04-27 Thread Darren Duncan
At 7:38 PM -0700 4/27/06, Larry Wall wrote: On Thu, Apr 27, 2006 at 01:10:05PM -0700, Darren Duncan wrote: : 1. There doesn't seem to be an immutable bit-string type, so unless : I read something wrong, I propose adding one. : : Since all built-in types have one-word names, I suggest 'Raw', whic

Re: Perl 6 built-in types

2006-04-27 Thread Larry Wall
On Thu, Apr 27, 2006 at 01:10:05PM -0700, Darren Duncan wrote: : A couple of questions and suggestions about Perl 6 built-in data : types, following a look at the newest S06 ( : http://svn.perl.org/perl6/doc/trunk/design/syn/S06.pod ) ... : : 1. There doesn't seem to be an immutable bit-string

Perl 6 built-in types

2006-04-27 Thread Darren Duncan
A couple of questions and suggestions about Perl 6 built-in data types, following a look at the newest S06 ( http://svn.perl.org/perl6/doc/trunk/design/syn/S06.pod ) ... 1. There doesn't seem to be an immutable bit-string type, so unless I read something wrong, I propose adding one. Since a

[svn:perl6-synopsis] r8973 - doc/trunk/design/syn

2006-04-27 Thread larry
Author: larry Date: Thu Apr 27 09:33:20 2006 New Revision: 8973 Modified: doc/trunk/design/syn/S06.pod Log: Clarify placeholders are illegal if conflicting with other signature. Modified: doc/trunk/design/syn/S06.pod ===