fix register shortcuts

lib/register/instructions/load_constant.rb

@@ -16,9 +16,6 @@ module Register
       "LoadConstant: #{register} <- #{constant_str}"
     end
 
-    def self.load source , constant , register
-      LoadConstant.new source , constant , register
-    end
     private
     def constant_str
       case @constant
@@ -33,4 +30,7 @@ module Register
       end
     end
   end
+  def self.load_constant source , constant , register
+    LoadConstant.new source , constant , register
+  end
 end

lib/register/instructions/operator_instruction.rb

@@ -13,9 +13,9 @@ module Register
       "OperatorInstruction: #{left} #{operator} #{right}"
     end
 
+  end
   def self.op source , operator , left , right
     OperatorInstruction.new source , operator , left , right
   end
-  end
 
 end

lib/register/instructions/register_transfer.rb

@@ -28,9 +28,8 @@ module Register
     def to_s
       "RegisterTransfer: #{from} -> #{to}"
     end
-
+  end
   def self.transfer source , from , to
     RegisterTransfer.new source , from , to
   end
 end
-end