40 lines
1.4 KiB
Plaintext
40 lines
1.4 KiB
Plaintext
==== tests/cases/compiler/inheritedMembersAndIndexSignaturesFromDifferentBases.ts (6 errors) ====
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// indexer in B is a subtype of indexer in A
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interface A {
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[s: string]: {
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a;
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};
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}
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interface B {
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[s: number]: {
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a;
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b;
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};
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}
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interface C {
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m: {};
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}
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interface D extends A, B, C { } // error because m is not a subtype of {a;}
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~
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!!! Property 'm' of type '{}' is not assignable to string index type '{ a: any; }'.
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interface E {
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0: {};
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}
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interface F extends A, B, E { } // error because 0 is not a subtype of {a; b;}
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~
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!!! Property '0' of type '{}' is not assignable to numeric index type '{ a: any; b: any; }'.
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~
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!!! Property '0' of type '{}' is not assignable to string index type '{ a: any; }'.
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interface G extends A, B, C, E { } // should only report one error
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~
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!!! Property '0' of type '{}' is not assignable to numeric index type '{ a: any; b: any; }'.
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~
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!!! Property '0' of type '{}' is not assignable to string index type '{ a: any; }'.
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~
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!!! Property 'm' of type '{}' is not assignable to string index type '{ a: any; }'.
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interface H extends A, F { } // Should report no error at all because error is internal to F |