42 lines
1.4 KiB
TypeScript
42 lines
1.4 KiB
TypeScript
// @strictNullChecks: true
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// @declaration: true
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type Item = { a: string, b: number, c: boolean };
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type T00 = { [P in "x" | "y"]: number };
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type T01 = { [P in "x" | "y"]: P };
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type T02 = { [P in "a" | "b"]: Item[P]; }
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type T03 = { [P in keyof Item]: Date };
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type T10 = { [P in keyof Item]: Item[P] };
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type T11 = { [P in keyof Item]?: Item[P] };
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type T12 = { readonly [P in keyof Item]: Item[P] };
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type T13 = { readonly [P in keyof Item]?: Item[P] };
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type T20 = { [P in keyof Item]: Item[P] | null };
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type T21 = { [P in keyof Item]: Array<Item[P]> };
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type T30 = { [P in keyof any]: void };
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type T31 = { [P in keyof string]: void };
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type T32 = { [P in keyof number]: void };
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type T33 = { [P in keyof boolean]: void };
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type T34 = { [P in keyof undefined]: void };
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type T35 = { [P in keyof null]: void };
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type T36 = { [P in keyof void]: void };
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type T37 = { [P in keyof symbol]: void };
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type T38 = { [P in keyof never]: void };
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type T40 = { [P in string]: void };
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type T43 = { [P in "a" | "b"]: void };
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type T44 = { [P in "a" | "b" | "0" | "1"]: void };
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type T47 = { [P in string | "a" | "b" | "0" | "1"]: void };
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declare function f1<T1>(): { [P in keyof T1]: void };
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declare function f2<T1 extends string>(): { [P in keyof T1]: void };
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declare function f3<T1 extends number>(): { [P in keyof T1]: void };
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declare function f4<T1 extends Number>(): { [P in keyof T1]: void };
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let x1 = f1();
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let x2 = f2();
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let x3 = f3();
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let x4 = f4(); |