12 lines
218 B
TypeScript
12 lines
218 B
TypeScript
class Animal { run() { } }
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class Cat extends Animal { meow }
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class Dog extends Animal { woof }
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function run(a: Cat | Dog) {
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a.run();
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}
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function f<T extends Cat | Dog>(a: T) {
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a.run();
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run(a);
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} |