45 lines
1.6 KiB
Plaintext
45 lines
1.6 KiB
Plaintext
tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts(13,11): error TS2430: Interface 'E' incorrectly extends interface 'D'.
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Index signatures are incompatible.
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Type 'number' is not assignable to type 'string'.
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tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts(28,11): error TS2430: Interface 'E2' incorrectly extends interface 'D2'.
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Index signatures are incompatible.
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Type 'number' is not assignable to type 'string'.
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==== tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts (2 errors) ====
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// string indexer tests
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interface A {
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[s: string]: number;
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}
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interface B {
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[s: string]: number;
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}
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interface C extends A, B { } // ok
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interface D {
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[s: string]: string;
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}
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interface E extends A, D { } // error
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~
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!!! error TS2430: Interface 'E' incorrectly extends interface 'D'.
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!!! error TS2430: Index signatures are incompatible.
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!!! error TS2430: Type 'number' is not assignable to type 'string'.
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// Same tests for number indexer
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interface A2 {
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[s: number]: number;
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}
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interface B2 {
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[s: number]: number;
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}
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interface C2 extends A2, B2 { } // ok
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interface D2 {
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[s: number]: string;
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}
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interface E2 extends A2, D2 { } // error
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~~
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!!! error TS2430: Interface 'E2' incorrectly extends interface 'D2'.
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!!! error TS2430: Index signatures are incompatible.
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!!! error TS2430: Type 'number' is not assignable to type 'string'. |