scottweisman · May 24, 2012 15:23 · May 24, 2012
diff --git a/gistfile1.rb b/gistfile1.rb
@@ -0,0 +1,52 @@
+class VendingMachine
+
+  # attr_accessor :money
+
+  def initialize(number_of_cans)
+    @cans = []
+    number_of_cans.times do
+      @cans << 'Coke'
+    end
+    # => ['Coke', 'Coke', 'Coke', 'Coke']
+    @money = 0
+  end
+
+  def empty?
+    @cans.empty?
+    # @capacity == 0
+  end
+
+  def insert_coins(amount)
+    @money = @money + amount
+  end
+
+  def push_button(brand)
+    # @capacity = @capacity - 1
+    @cans.shift
+    puts brand
+  end
+
+  def remove_money
+    orig_amount = @money
+    @money = 0
+    return orig_amount
+  end
+end
+
+machine = VendingMachine.new(5)
+
+until machine.empty?
+  machine.insert_coins(50)
+  machine.push_button 'Coke'
+end
+
+puts machine.remove_money  # => 250
+puts machine.remove_money  # => 0
+
+# Coke
+# Coke
+# Coke
+# Coke
+# Coke
+
+# Extra credit
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