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tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts(16,5): error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts(25,5): error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts(34,5): error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts(43,5): error TS2322: Type 'number' is not assignable to type 'A'.
==== tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts (4 errors) ====
// String indexer providing a constraint of a user defined type
class A {
foo(): string { return ''; }
}
class B extends A {
bar(): string { return ''; }
}
class Foo {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
~~~
!!! error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
"4.0": string; // error
}
interface Foo2 {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
~~~
!!! error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
"4.0": string; // error
}
var a: {
[x: number]: A;
1.0: A; // ok
2.0: B; // ok
"2.5": B // ok
3.0: number; // error
~~~
!!! error TS2412: Property '3.0' of type 'number' is not assignable to numeric index type 'A'.
"4.0": string; // error
};
// error
var b: { [x: number]: A } = {
1.0: new A(),
2.0: new B(),
"2.5": new B(),
3.0: 1,
~~~
!!! error TS2322: Type 'number' is not assignable to type 'A'.
!!! related TS6501 tests/cases/conformance/types/objectTypeLiteral/indexSignatures/numericIndexerConstrainsPropertyDeclarations2.ts:39:10: The expected type comes from this index signature.
"4.0": ''
}
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