I take that back! What is the dollar sign doing there in the '$.print: ..."
example?
Try it without the dollar sign. Right now you're calling .print on the
anonymous variable '$'
-y
On Mon, Nov 18, 2019 at 8:38 AM yary <not....@gmail.com> wrote:
> looks like a bug to me-file an issue on the rakudo GitHub
>
> On Sat, Nov 16, 2019 at 5:29 AM Raymond Dresens <raymond.dres...@gmail.com>
> wrote:
>
>> Hello,
>>
>> I have a question related to the 'colon syntax' of Raku, which allows
>> you to call methods without parenthesis like this:
>>
>> class Foo
>> {
>> method print($x, $y)
>> {
>> say "bar: {$x}, {$y}"
>> }
>> }
>>
>> my $a = Foo.new;
>>
>> $a.print: 3, 5; # ...this is what i mean with "colon syntax" ;)
>>
>> It is possible to use this syntax to call methods on 'self' as well:
>>
>> class Bar is Foo
>> {
>> method printDefault
>> {
>> self.print: 8, 12
>> }
>> }
>>
>> my $b = Bar.new;
>>
>> $b.printDefault;
>>
>> I use $. rather than 'self' in order to work with attributes inside
>> methods in my classes, well, ... mostly, because it does not seem
>> possible to do this (in rakudo, at least version 2019.07.1):
>>
>> class Baz is Foo
>> {
>> method printDefault
>> {
>> $.print: 8, 12
>> }
>> }
>>
>> This yields a "Confused" error, stating that it expects a so-called
>> 'colon pair'.
>>
>> Is this intentional? Because I'm kind of confused as well about this,
>>
>> I can live with this 'syntactical quirk', but I just keep wondering
>> about it because I'd personally expect that this "$.methodname: $args"
>> variant should "just work" as well...
>>
>> ...so "what gives"? ;)
>>
>> Thanks for your insights!
>>
>> Regards,
>>
>> Raymond.
>>
> --
> -y
>
