45 lines
No EOL
1.6 KiB
Text
45 lines
No EOL
1.6 KiB
Text
tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts(13,11): error TS2430: Interface 'E' incorrectly extends interface 'D'.
|
|
Index signatures are incompatible.
|
|
Type 'number' is not assignable to type 'string'.
|
|
tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts(28,11): error TS2430: Interface 'E2' incorrectly extends interface 'D2'.
|
|
Index signatures are incompatible.
|
|
Type 'number' is not assignable to type 'string'.
|
|
|
|
|
|
==== tests/cases/compiler/inheritedStringIndexersFromDifferentBaseTypes.ts (2 errors) ====
|
|
// string indexer tests
|
|
interface A {
|
|
[s: string]: number;
|
|
}
|
|
interface B {
|
|
[s: string]: number;
|
|
}
|
|
interface C extends A, B { } // ok
|
|
|
|
interface D {
|
|
[s: string]: string;
|
|
}
|
|
interface E extends A, D { } // error
|
|
~
|
|
!!! error TS2430: Interface 'E' incorrectly extends interface 'D'.
|
|
!!! error TS2430: Index signatures are incompatible.
|
|
!!! error TS2430: Type 'number' is not assignable to type 'string'.
|
|
|
|
|
|
// Same tests for number indexer
|
|
interface A2 {
|
|
[s: number]: number;
|
|
}
|
|
interface B2 {
|
|
[s: number]: number;
|
|
}
|
|
interface C2 extends A2, B2 { } // ok
|
|
|
|
interface D2 {
|
|
[s: number]: string;
|
|
}
|
|
interface E2 extends A2, D2 { } // error
|
|
~~
|
|
!!! error TS2430: Interface 'E2' incorrectly extends interface 'D2'.
|
|
!!! error TS2430: Index signatures are incompatible.
|
|
!!! error TS2430: Type 'number' is not assignable to type 'string'. |