tests/cases/compiler/omitTypeHelperModifiers01.ts(16,7): error TS2540: Cannot assign to 'c' because it is a read-only property.


==== tests/cases/compiler/omitTypeHelperModifiers01.ts (1 errors) ====
    type A = {
        a: number;
        b?: string;
        readonly c: boolean;
        d: unknown;
    };
    
    type B = Omit<A, 'a'>;
    
    function f(x: B) {
        const b = x.b;
        x.b = "hello";
        x.b = undefined;
    
        const c = x.c;
        x.c = true;
          ~
!!! error TS2540: Cannot assign to 'c' because it is a read-only property.
    
        const d = x.d;
        x.d = d;
    }
    