tests/cases/compiler/intersectionsAndReadonlyProperties.ts(17,4): error TS2540: Cannot assign to 'a' because it is a read-only property.


==== tests/cases/compiler/intersectionsAndReadonlyProperties.ts (1 errors) ====
    // 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
       ~
!!! error TS2540: Cannot assign to 'a' because it is a read-only property.
    