//// [controlFlowDeleteOperator.ts]
function f() {
    var x = {
        b: 1
    };
    x.a;
    x.b;
    x.a = 1;
    x.b = 1;
    x.a;
    x.b;
    delete x.a;
    delete x.b;
    x.a;
    x.b;
    x;
    delete x; // No effect
    x;
}
