36 lines
1.7 KiB
Plaintext
36 lines
1.7 KiB
Plaintext
tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithObjectTypeArgsAndIndexersErrors.ts(15,17): error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithObjectTypeArgsAndIndexersErrors.ts(18,9): error TS2413: Numeric index type 'T' is not assignable to string index type 'Object'.
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tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithObjectTypeArgsAndIndexersErrors.ts(23,9): error TS2322: Type 'T' is not assignable to type 'U'.
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==== tests/cases/conformance/types/typeRelationships/typeInference/genericCallWithObjectTypeArgsAndIndexersErrors.ts (3 errors) ====
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// Type inference infers from indexers in target type, error cases
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function foo<T>(x: T) {
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return x;
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}
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function other<T>(arg: T) {
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var b: {
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[x: string]: Object;
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[x: number]: T; // ok, T is a subtype of Object because its apparent type is {}
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};
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var r2 = foo(b); // T
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}
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function other3<T extends U, U extends Date>(arg: T) {
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~~~~~~~~~~~
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!!! error TS2313: Constraint of a type parameter cannot reference any type parameter from the same type parameter list.
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var b: {
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[x: string]: Object;
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[x: number]: T;
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~~~~~~~~~~~~~~~
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!!! error TS2413: Numeric index type 'T' is not assignable to string index type 'Object'.
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};
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var r2 = foo(b);
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var d = r2[1];
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var e = r2['1'];
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var u: U = r2[1]; // ok
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~
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!!! error TS2322: Type 'T' is not assignable to type 'U'.
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} |