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function Employee(name, dept) { return this.name = name || ""; }
function WorkerBee(name, dept, projs) {
this.base = Employee
this.base(name, dept)
}
function Engineer(name, projs, machine) {
this.base = WorkerBee
this.base(name, "engineering", projs)
__proto__["a" + constructor] = 1
}
new Engineer;