Luke Palmer wrote:
The remaining problem is what to do about unary dot. Repeated here for the, er, benefit? of p6l:
class Duple { has $.left; has $.right;
method perform (&oper) { &oper($.left); &oper($.right); } }
Let's change that into a Tuple class:
class Tuple { has @.elems;
method perform (&oper) { for @.elems { .perform($_); } } }
Can you find the mistake?
Well it's not using &oper on the elems anymore.
method perform (&oper) {
for @.elems {
&oper($_);
}
}But I don't think that was the mistake you were talking about. And I don't see what it has to do with unary dot either, because you don't need to use unary dot to implement that method. Unless each member of @.elems is a Duple, in which case the class isn't one I'd call Tuple.
Sorry, nitpicking level seems to be set to 9 at the moment. What did you mean?
