Created
June 19, 2019 06:28
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TypeScript typing bug
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interface Cat { | |
kind: "cat"; | |
name: string; | |
} | |
interface Dog { | |
kind: "dog"; | |
name: string; | |
} | |
type Animal = Cat | Dog; | |
const getAnimal = (kind: "cat" | "dog", name: string): Animal => { | |
return { kind: kind, name: name }; | |
}; | |
const getAnimal2 = (kind: "cat" | "dog", name: string): Animal => { | |
switch (kind) { | |
case "cat": { | |
return { kind: kind, name: name }; | |
} | |
case "dog": { | |
return { kind: kind, name: name }; | |
} | |
} | |
}; |
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