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tests/cases/conformance/types/primitives/number/assignFromNumberInterface2.ts(24,1): error TS2322: Type 'Number' is not assignable to type 'number'.
'number' is a primitive, but 'Number' is a wrapper object. Prefer using 'number' when possible.
tests/cases/conformance/types/primitives/number/assignFromNumberInterface2.ts(25,1): error TS2322: Type 'NotNumber' is not assignable to type 'number'.
==== tests/cases/conformance/types/primitives/number/assignFromNumberInterface2.ts (2 errors) ====
interface Number {
doStuff(): string;
}
interface NotNumber {
toString(radix?: number): string;
toFixed(fractionDigits?: number): string;
toExponential(fractionDigits?: number): string;
toPrecision(precision?: number): string;
valueOf(): number;
doStuff(): string;
}
var x = 1;
var a: Number;
var b: NotNumber;
a = x;
a = b;
b = a;
b = x;
x = a; // expected error
~
!!! error TS2322: Type 'Number' is not assignable to type 'number'.
!!! error TS2322: 'number' is a primitive, but 'Number' is a wrapper object. Prefer using 'number' when possible.
x = b; // expected error
~
!!! error TS2322: Type 'NotNumber' is not assignable to type 'number'.
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