If it is the case that :method and :multi are incompatible, I am a bit
surprised to see that in the Rakudo src directory:
$ grep -rHI ':method :multi' . | grep -v '.svn' | wc -l
94
On Sun, Sep 21, 2008 at 11:30 AM, chromatic <[EMAIL PROTECTED]> wrote:
> On Friday 19 September 2008 21:46:53 Chris Davaz wrote:
>
>> In any-str.pir we need to figure out how to change
>>
>> .sub 'split' :method :multi('String')
>>
>> into
>>
>> .sub 'split' :method :multi(_, 'String')
>>
>> since the former method signature is causing problems for me as I'm
>> trying to implement
>>
>> .sub 'split' :method :multi(_, 'Sub')
>>
>> with an additional optional argument (the limit of how many elements
>> to return in the list).
>
> :method and :multi are fundamentally incompatible; the former implies single
> dispatch while the latter explicitly expresses multiple dispatch. The PIR
> compiler *could* unshift a type constraint onto the list of invocants
> when :multi and :method appear together, but I'm not sure that produces clear
> code.
>
> -- c
>
