57 lines
1.7 KiB
TypeScript
57 lines
1.7 KiB
TypeScript
enum E { v1, v2 };
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function f<T extends { b: string }>(p1: T, p2: T[]) {
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var t: T;
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var i: T["b"];
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var k: keyof T;
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var mapped_generic: {[P in keyof T]: T[P]};
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var mapped: {[P in "b"]: T[P]};
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var union_generic: T | { a: number };
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var union_primitive: { a: number } | number;
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var intersection_generic: T & { a: number };
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var intersection_primitive: { a: number } | string;
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var num: number;
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var str: number;
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var literal_string: "string";
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var literal_number: 42;
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var u: undefined;
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var n: null;
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var a: any;
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var e: E;
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var o1 = { ...p1 }; // OK, generic type paramterre
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var o2 = { ...p2 }; // OK
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var o3 = { ...t }; // OK, generic type paramter
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var o4 = { ...i }; // Error, index access
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var o5 = { ...k }; // Error, index
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var o6 = { ...mapped_generic }; // OK, generic mapped object type
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var o7 = { ...mapped }; // OK, non-generic mapped type
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var o8 = { ...union_generic }; // OK, union with generic type parameter
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var o9 = { ...union_primitive }; // Error, union with generic type parameter
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var o10 = { ...intersection_generic }; // OK, intersection with generic type parameter
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var o11 = { ...intersection_primitive }; // Error, intersection with generic type parameter
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var o12 = { ...num }; // Error
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var o13 = { ...str }; // Error
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var o14 = { ...u }; // error, undefined-only not allowed
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var o15 = { ...n }; // error, null-only not allowed
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var o16 = { ...a }; // OK
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var o17 = { ...literal_string }; // Error
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var o18 = { ...literal_number }; // Error
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var o19 = { ...e }; // Error, enum
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}
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