var t = function (f, ...items) {
    var x = f;
    x = items[0];
    x = items[1];
};

function t(f, ...items) {
    var x = f;
    x = items[0];
    x = items[1];
}

function u(f, g, ...items) {
    var x = f;
    var y = g;
    x[12] = items[0];
    y.prop = items[1];
    var z = items[2] | 0 || 12;
}