Prettier Array#rotate

tap may not be supported in older ruby versions, but it's way nicer this way! Anyway, self was useless here.
glejeune · Feb 9, 2010 · 444b975 · 444b975
1 parent 9fdf964
commit 444b975
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/lib/core_ext.rb b/lib/core_ext.rb
@@ -1,6 +1,5 @@
 class Array
   def rotate
-    self.push(r = self.shift)
-    return r
+    shift.tap {|e| push e }
   end
-end
+end