58 lines
1.8 KiB
Plaintext
58 lines
1.8 KiB
Plaintext
tests/cases/compiler/indexerConstraints.ts(17,5): error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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tests/cases/compiler/indexerConstraints.ts(25,5): error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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tests/cases/compiler/indexerConstraints.ts(33,5): error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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tests/cases/compiler/indexerConstraints.ts(41,5): error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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==== tests/cases/compiler/indexerConstraints.ts (4 errors) ====
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interface A { a: number; }
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interface B extends A { b: number; }
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// Good case
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interface D {
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[s: string]: A;
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}
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interface D {
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[n: number]: B;
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}
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// Bad case
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interface E {
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[s: string]: B;
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}
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interface E {
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[n: number]: A;
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~~~~~~~~~~~~~~~
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!!! error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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}
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// Inheritance
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interface F {
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[s: string]: B;
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}
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interface G extends F {
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[n: number]: A;
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~~~~~~~~~~~~~~~
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!!! error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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}
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// Other way
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interface H {
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[n: number]: A;
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}
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interface I extends H {
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[s: string]: B;
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~~~~~~~~~~~~~~~
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!!! error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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}
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// With hidden indexer
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interface J {
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[n: number]: {};
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}
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interface K extends J {
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[n: number]: A;
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~~~~~~~~~~~~~~~
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!!! error TS2413: Numeric index type 'A' is not assignable to string index type 'B'.
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[s: string]: B;
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} |