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Ingy döt Net 2023-07-01 11:58:00 -04:00
parent 7387c8f97b
commit cb5bb5e222
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13
Task/Constrained-genericity/Raku/constrained-genericity-1.raku Normal file
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subset Eatable of Any where { .^can('eat') };
class Cake { method eat() {...} }
role FoodBox[Eatable] {
has %.foodbox;
}
class Yummy does FoodBox[Cake] { } # composes correctly
# class Yucky does FoodBox[Int] { } # fails to compose
my Yummy $foodbox .= new;
say $foodbox;

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Task/Constrained-genericity/Raku/constrained-genericity-2.raku Normal file
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Yummy.new(foodbox => {})