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11 lines
288 B
TypeScript
11 lines
288 B
TypeScript
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interface X {
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a: string;
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b: string;
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}
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declare function foo<T = X>(x: keyof T, y: keyof T): T;
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declare function bar<T>(x: keyof T, y: keyof T): T;
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const a = foo<X>('a', 'b'); // compiles cleanly
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const b = foo('a', 'b'); // also clean
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const c = bar('a', 'b'); // still clean
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