rename_method.rb in facets-1.0.0

- old
+ new

@@ -1,37 +1,74 @@
-require 'nano/module/rename_method.rb'
\ No newline at end of file
+class Module
+  private
+  # Aliases a method and undefines the original.
+  #
+  #   rename_method( :to_method, :from_method  )
+  #
+  def rename_method( to_sym, from_sym )
+    raise ArgumentError, "method #{from_sym} does not exist" unless method_defined?( from_sym )
+    alias_method( to_sym, from_sym )
+    undef_method( from_sym )
+  end
+end
+
+
+#  _____         _
+# |_   _|__  ___| |_
+#   | |/ _ \/ __| __|
+#   | |  __/\__ \ |_
+#   |_|\___||___/\__|
+#
+=begin test
+
+  require 'test/unit'
+
+  class TCModule < Test::Unit::TestCase
+
+    def a; "A" ; end
+
+    rename_method :b, :a
+
+    def test_rename_method
+      assert( ! respond_to?( :a ) )
+      assert( respond_to?( :b ) )
+    end
+
+  end
+
+=end