Larry wrote:
: Explain how having indexes (arrays, substr, etc...) in Perl 6 start at 0
: will benefit most users. Do not invoke legacy. [1]
How about, because I like it? You may, of course, see that as a
legacy argument, depending on our relative ages... :-)
A practical argument in its favour is that it makes circular-lists-via-modulo:
@list[++nextidx%7] = $nextval;
and cyclic-value-mapping-via-modulo:
$day_name = <<Sun Mon Tue Wed Thu Fri Sat>>[$day%7];
both work correctly.
Anyway, that aside, I see no reason why we couldn't have array types
that are explicitly declared with array bases other than 0. Perhaps
even the built-in types can just take a range property:
my @array is range(1...);
Surely, that would be:
my @array is domain(1...);
???
Damian
