On Fri, 3 Sep 2004 17:08:00 -0700, [EMAIL PROTECTED] (Larry Wall) wrote: > On Fri, Sep 03, 2004 at 05:45:12PM -0600, John Williams wrote: > : On Thu, 2 Sep 2004, Larry Wall wrote: > : > : > The argument to a shape specification is a semicolon list, just like > : > the inside of a multidimensional subscript. Ranges are also allowed, > : > so you can pretend you're programming in Fortran, or awk: > : > > : > my int @ints is shape(1..4;1..2); # two dimensions, @ints[1..4; 1..2] > : > : What happens when the Pascal programmer declares > : > : my int @ints is shape(-10..10); > : > : Does it blow up? > > No. > > : If not, does @ints[-1] mean the element with index -1 or the last element? > > The element with index -1. Arrays with explicit ranges don't use the > minus notation to count from the end. We probably need to come up > with some other notation for the beginning and end indexes. But it'd > be nice if that were a little shorter than: > > @ints.shape[0].beg > @ints.shape[0].end > > Suggestions? Maybe we just need integers with "whence" properties... :-)
How about keywords c<lo> and c<hi>? > > Larry
