At 11:07 AM -0700 9/12/06, [EMAIL PROTECTED] wrote:
+=head1 Cross operators
+
+The final metaoperator is the C<X> metaoperator. It applies the
+modified operator across all permutations of its list arguments. All
+C<X> operators are of list infix precedence, and are list associative.
AT LAST!
I remember raising the want of such an operator
on this list a year ago, but nothing really came
out of it. Specifically I mean the thread
"crossing lists" that I posted on 2005 Oct 27:
http://www.nntp.perl.org/group/perl.perl6.language/23878
But now I can update, for example, ext/Locale-KeyedText/ from this:
method get_set_member_combinations of Array of Str () {
return [EMAIL PROTECTED]:{ @!set_names »~« $_ }];
}
To this:
method get_set_member_combinations of Array of Str () {
return [EMAIL PROTECTED] X~ @!member_names];
}
So the code is now much more understandable as to what it does.
It should also help me to implement some aspects of Set::Relation, maybe.
Thank you for this update.
-- Darren Duncan
