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=== tests/cases/conformance/types/primitives/number/assignFromNumberInterface2.ts ===
interface Number {
doStuff(): string;
>doStuff : () => string
}
interface NotNumber {
toString(radix?: number): string;
>toString : (radix?: number) => string
>radix : number
toFixed(fractionDigits?: number): string;
>toFixed : (fractionDigits?: number) => string
>fractionDigits : number
toExponential(fractionDigits?: number): string;
>toExponential : (fractionDigits?: number) => string
>fractionDigits : number
toPrecision(precision?: number): string;
>toPrecision : (precision?: number) => string
>precision : number
valueOf(): number;
>valueOf : () => number
doStuff(): string;
>doStuff : () => string
}
var x = 1;
>x : number
>1 : 1
var a: Number;
>a : Number
var b: NotNumber;
>b : NotNumber
a = x;
>a = x : number
>a : Number
>x : number
a = b;
>a = b : NotNumber
>a : Number
>b : NotNumber
b = a;
>b = a : Number
>b : NotNumber
>a : Number
b = x;
>b = x : number
>b : NotNumber
>x : number
x = a; // expected error
>x = a : Number
>x : number
>a : Number
x = b; // expected error
>x = b : NotNumber
>x : number
>b : NotNumber
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