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16 lines
457 B
TypeScript
16 lines
457 B
TypeScript
// @strict: true
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// @declaration: true
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declare function f1<T>(cb: <S>(x: S) => T): T;
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declare function f2<T>(cb: <S extends number>(x: S) => T): T;
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declare function f3<T>(cb: <S extends Array<S>>(x: S) => T): T;
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let x1 = f1(x => x); // {}
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let x2 = f2(x => x); // number
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let x3 = f3(x => x); // Array<any>
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// Repro from #19345
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declare const s: <R>(go: <S>(ops: { init(): S; }) => R) => R;
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const x = s(a => a.init()); // x is any, should have been {}
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