lib/ludy/array/combos.rb in ludy-0.1.10 vs lib/ludy/array/combos.rb in ludy-0.1.11

@@ -1,9 +1,11 @@
 
+require 'ludy/version'
+
 class Array
-  if RUBY_VERSION < '1.9.0'
+  if Ludy::ruby_before '1.9.0'
     require 'ludy/array/foldr'
-    require 'ludy/symbol/to_proc' if RUBY_VERSION < '1.9.0'
+    require 'ludy/symbol/to_proc' if Ludy::ruby_before '1.9.0'
     # for each combos
     #  [[0,1],[2,3]].combos
     #  => [[0,2],[0,3],[1,2],[1,3]]
     def combos
       result = []