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tests/cases/compiler/numericIndexExpressions.ts(10,1): error TS2322: Type '4' is not assignable to type 'string'.
tests/cases/compiler/numericIndexExpressions.ts(11,1): error TS2322: Type '4' is not assignable to type 'string'.
tests/cases/compiler/numericIndexExpressions.ts(14,1): error TS2322: Type '4' is not assignable to type 'string'.
tests/cases/compiler/numericIndexExpressions.ts(15,1): error TS2322: Type '4' is not assignable to type 'string'.
==== tests/cases/compiler/numericIndexExpressions.ts (4 errors) ====
interface Numbers1 {
1: string;
}
interface Strings1 {
'1': string;
}
var x: Numbers1;
x[1] = 4; // error
~~~~
!!! error TS2322: Type '4' is not assignable to type 'string'.
x['1'] = 4; // error
~~~~~~
!!! error TS2322: Type '4' is not assignable to type 'string'.
var y: Strings1;
y['1'] = 4; // should be error
~~~~~~
!!! error TS2322: Type '4' is not assignable to type 'string'.
y[1] = 4; // should be error
~~~~
!!! error TS2322: Type '4' is not assignable to type 'string'.
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