8 lines
232 B
TypeScript
8 lines
232 B
TypeScript
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// @strictNullChecks: true
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interface Bar { bar: number; foo: object | null; }
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let a = {
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test<K extends keyof Bar> (a: K, b?: Bar[K] | null) { }
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};
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a.test("bar", null); // ok, null is assignable to number | null | undefined
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