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indexSignatureMustHaveTypeAnnotation.ts(3,5): error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
indexSignatureMustHaveTypeAnnotation.ts(3,6): error TS2304: Cannot find name 'x'.
indexSignatureMustHaveTypeAnnotation.ts(4,5): error TS1021: An index signature must have a type annotation.
indexSignatureMustHaveTypeAnnotation.ts(9,5): error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
indexSignatureMustHaveTypeAnnotation.ts(9,6): error TS2304: Cannot find name 'x'.
indexSignatureMustHaveTypeAnnotation.ts(14,5): error TS1021: An index signature must have a type annotation.
==== indexSignatureMustHaveTypeAnnotation.ts (6 errors) ====
interface I {
// Used to be indexer, now it is a computed property
[x]: string;
~~~
!!! error TS1169: A computed property name in an interface must refer to an expression whose type is a literal type or a 'unique symbol' type.
~
!!! error TS2304: Cannot find name 'x'.
[x: string];
~~~~~~~~~~~~
!!! error TS1021: An index signature must have a type annotation.
}
class C {
// Used to be indexer, now it is a computed property
[x]: string
~~~
!!! error TS1166: A computed property name in a class property declaration must have a simple literal type or a 'unique symbol' type.
~
!!! error TS2304: Cannot find name 'x'.
}
class C2 {
[x: string]
~~~~~~~~~~~
!!! error TS1021: An index signature must have a type annotation.
}
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