Constrained genericity: Difference between revisions
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Thundergnat (talk | contribs) m (→{{header|Perl 6}}: Fix broken example.) |
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=={{header|Perl 6}}==
{{works with|Rakudo|
<lang perl6>subset Eatable of Any where { .^can('eat') };
class Cake { method eat() {...} }
role FoodBox[Eatable
has
}
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