7 lines
No EOL
288 B
TypeScript
7 lines
No EOL
288 B
TypeScript
interface Animal { x }
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interface Giraffe extends Animal { y }
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interface Elephant extends Animal { z }
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function f<T extends Animal>(x: T, y: T): T { return undefined; }
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var g: Giraffe;
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var e: Elephant;
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f(g, e); // valid because both Giraffe and Elephant satisfy the constraint. T is Animal
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