On Mon, Aug 16, 2010 at 03:14:28PM -0400, Will Coleda wrote:
> On Mon, Aug 16, 2010 at 3:03 PM, David H. Adler <d...@panix.com> wrote:
> > Given the code:
> >
> > ? ? ? ?use v6;
> >
> > ? ? ? ?sub speakhash (*%hash) {
> > ? ? ? ? ? ?say "%hash{}";
> > ? ? ? ?}
> >
> > ? ? ? ?speakhash(1, 2, 3, 4, 5, 6);
> >
> > I get the error:
> >
> > ? ? ? ?Too many positional parameters passed; got 6 but expected 0
> > ? ? ? ? ?in 'speakhash' at line 3:slurphash.p6
> > ? ? ? ? ? ?in main program body at line 7:slurphash.p6
> >
> > According to the UsingPerl6 draft document, "*%hash slurps all the
> > remaining unbound named arguments into a hash."
>
> The key here is "named" arguments; You've invoked the speakhash sub
> with positional args.
>
> Try this:
>
> sub speakhash (*%hash) {
> say %hash.perl;
> }
>
> speakhash(a => 1, b => 2, c => 3, d => 4, e => 5, f => 6);
Hm. It just so happens that I tried speakhash(1 => 2, 3 => 4, 5 => 6)
and that didn't work. It seems that, although one can create a hash with
those pairs, you *can't* pass them as arguments. I'm not clear why.
dha
--
David H. Adler - <d...@panix.com> - http://www.panix.com/~dha/
i just ate a slice of key lime pie while drinking limeade
scurvy can't touch me now - obnoxicant
