knu	2017-10-22 00:57:26 +0900 (Sun, 22 Oct 2017)

  New Revision: 60303

  https://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=60303

  Log:
    Remove redundant use of module_eval

  Modified files:
    trunk/lib/set.rb
Index: lib/set.rb
===================================================================
--- lib/set.rb	(revision 60302)
+++ lib/set.rb	(revision 60303)
@@ -643,10 +643,9 @@ class SortedSet < Set https://github.com/ruby/ruby/blob/trunk/lib/set.rb#L643
     def setup   # :nodoc:
       @@setup and return
 
-      module_eval {
-        # a hack to shut up warning
-        alias old_init initialize
-      }
+      # a hack to shut up warning
+      alias_method :old_init, :initialize
+
       begin
         require 'rbtree'
 
@@ -730,10 +729,9 @@ class SortedSet < Set https://github.com/ruby/ruby/blob/trunk/lib/set.rb#L729
           end
         END
       end
-      module_eval {
-        # a hack to shut up warning
-        remove_method :old_init
-      }
+
+      # a hack to shut up warning
+      remove_method :old_init
 
       @@setup = true
     end

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