59 lines
1.6 KiB
TypeScript
59 lines
1.6 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_premitive: { a: number } | string;
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var num: number;
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var str: number;
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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 literal_string: "string";
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var literal_number: 42;
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var e: E;
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var {...r1} = p1; // Error, generic type paramterre
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var {...r2} = p2; // OK
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var {...r3} = t; // Error, generic type paramter
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var {...r4} = i; // Error, index access
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var {...r5} = k; // Error, index
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var {...r6} = mapped_generic; // Error, generic mapped object type
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var {...r7} = mapped; // OK, non-generic mapped type
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var {...r8} = union_generic; // Error, union with generic type parameter
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var {...r9} = union_primitive; // Error, union with generic type parameter
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var {...r10} = intersection_generic; // Error, intersection with generic type parameter
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var {...r11} = intersection_premitive; // Error, intersection with generic type parameter
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var {...r12} = num; // Error
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var {...r13} = str; // Error
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var {...r14} = u; // OK
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var {...r15} = n; // OK
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var {...r16} = a; // OK
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var {...r17} = literal_string; // Error
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var {...r18} = literal_number; // Error
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var {...r19} = e; // Error, enum
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} |