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tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(6,5): error TS2300: Duplicate identifier '1.0'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(10,5): error TS2300: Duplicate identifier '1'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(12,5): error TS2300: Duplicate identifier '1'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(16,5): error TS2300: Duplicate identifier '1'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(17,5): error TS2300: Duplicate identifier '1'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(17,5): error TS2717: Subsequent property declarations must have the same type. Property '1.0' must be of type 'number', but here has type 'string'.
tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts(22,5): error TS1117: An object literal cannot have multiple properties with the same name.
==== tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts (7 errors) ====
// Each of these types has an error in it.
// String named and numeric named properties conflict if they would be equivalent after ToNumber on the property name.
class C {
"1": number;
"1.0": number; // not a duplicate
1.0: number;
~~~
!!! error TS2300: Duplicate identifier '1.0'.
}
interface I {
"1": number;
~~~
!!! error TS2300: Duplicate identifier '1'.
"1.": number; // not a duplicate
1: number;
~
!!! error TS2300: Duplicate identifier '1'.
}
var a: {
"1": number;
~~~
!!! error TS2300: Duplicate identifier '1'.
1.0: string;
~~~
!!! error TS2300: Duplicate identifier '1'.
~~~
!!! error TS2717: Subsequent property declarations must have the same type. Property '1.0' must be of type 'number', but here has type 'string'.
!!! related TS6203 tests/cases/conformance/types/objectTypeLiteral/propertySignatures/numericStringNamedPropertyEquivalence.ts:16:5: '1.0' was also declared here.
}
var b = {
"0": '',
0: ''
~
!!! error TS1117: An object literal cannot have multiple properties with the same name.
}
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