On Mon, Aug 16, 2010 at 3:36 PM, David H. Adler <d...@panix.com> wrote:
> 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
>
I believe named arguments have to be valid parameter names.
--
Will "Coke" Coleda
