lab19: init

lab19/emp.rb

@@ -0,0 +1,42 @@
+class Employee
+  # Adding methods to the singleton class of the object
+  # Employee (which has the class Class).
+  class << self
+    def add(emp)
+      puts "Adding #{emp}"
+      @employees = Hash.new unless @employees
+      @employees[emp.name] = emp
+    end
+    def get_emp_by_name name
+      @employees[name]
+    end
+  end
+  #####################################################
+  attr_accessor :name, :ssid, :salary
+  def initialize(name, ssid, salary)
+    @name = name
+    @ssid = ssid
+    @salary = salary
+    Employee.add self
+  end
+  def to_s
+    @name
+  end
+end
+
+alice = Employee.new("Alice Alley", 1234, 75000);
+bob = Employee.new("Robert Tables", 5678, 50000);
+
+class << bob
+  def signing_bonus
+    2000
+  end
+end
+
+puts(bob.signing_bonus);
+#puts(alice.signing_bonus);
+
+b = Employee.get_emp_by_name "Robert Tables"
+puts b.signing_bonus
+
+