TypeScript/tests/baselines/reference/intersectionsAndReadonlyProperties.js

25 lines
608 B
TypeScript

//// [intersectionsAndReadonlyProperties.ts]
// readonly and non-readonly
type Intersection1 = { readonly a: number } & { a: number };
declare let i1: Intersection1;
i1.a = 2;
// getter and setter
type Intersection2 = { get a(): number } & { set a(v: number) };
declare let i2: Intersection2;
i2.a = 2;
// assignment to an all read-only property should still be disallowed
type IntersectionAllReadonly = { readonly a: number } & { get a(): number };
declare let ia: IntersectionAllReadonly;
ia.a = 2; // Error
//// [intersectionsAndReadonlyProperties.js]
i1.a = 2;
i2.a = 2;
ia.a = 2; // Error