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Report implict any error when widening null/undefined in presence of … (
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tests/baselines/reference/implicitAnyGenericTypeInference.errors.txt
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Original file line number | Diff line number | Diff line change |
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implicitAnyGenericTypeInference.ts(10,4): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
implicitAnyGenericTypeInference.ts(13,4): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
implicitAnyGenericTypeInference.ts(16,4): error TS7025: Generator implicitly has yield type 'any'. Consider supplying a return type annotation. | ||
implicitAnyGenericTypeInference.ts(19,4): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
implicitAnyGenericTypeInference.ts(22,4): error TS7025: Generator implicitly has yield type 'any'. Consider supplying a return type annotation. | ||
implicitAnyGenericTypeInference.ts(25,4): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
implicitAnyGenericTypeInference.ts(28,25): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
implicitAnyGenericTypeInference.ts(29,24): error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
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==== implicitAnyGenericTypeInference.ts (8 errors) ==== | ||
interface Comparer<T> { | ||
compareTo<U>(x: T, y: U): U; | ||
} | ||
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var c: Comparer<any>; | ||
c = { compareTo: (x, y) => { return y; } }; | ||
var r = c.compareTo(1, ''); | ||
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declare function f1<T>(cb: () => T): void; | ||
f1(() => null); | ||
~~~~~~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
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declare function f2<T>(cb: () => PromiseLike<T>): void; | ||
f2(async () => null); | ||
~~~~~~~~~~~~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
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declare function f3<T>(cb: () => Generator<T>): void; | ||
f3(function* () { yield null; }); | ||
~~~~~~~~ | ||
!!! error TS7025: Generator implicitly has yield type 'any'. Consider supplying a return type annotation. | ||
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declare function f4<T>(cb: () => Generator<unknown, T>): void; | ||
f4(function* () { return null; }); | ||
~~~~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
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declare function f5<T>(cb: () => AsyncGenerator<T>): void; | ||
f5(async function* () { yield null; }); | ||
~~~~~ | ||
!!! error TS7025: Generator implicitly has yield type 'any'. Consider supplying a return type annotation. | ||
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declare function f6<T>(cb: () => AsyncGenerator<unknown, T>): void; | ||
f6(async function* () { return null; }); | ||
~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
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// https://github.com/microsoft/TypeScript/issues/44913 | ||
Promise.resolve().catch(e => null); | ||
~~~~~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. | ||
Promise.resolve().then(v => null); | ||
~~~~~~~~~ | ||
!!! error TS7011: Function expression, which lacks return-type annotation, implicitly has an 'any' return type. |
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