lib/core/facets/hash/join.rb in facets-2.8.4 vs lib/core/facets/hash/join.rb in facets-2.9.0.pre.1

@@ -1,14 +1,17 @@
 class Hash
 
   # Like Array#join but specialized to Hash.
   #
+  # NOTE: Without Ruby 1.9 this would be difficult to rely on becuase
+  # hashes did not have a strict order.
+  #
   # CREDIT: Mauricio Fernandez
 
-  def join(pair_divider='', elem_divider='')
+  def join(pair_divider='', elem_divider=nil)
+    elem_divider ||= pair_divider
     s = []
-    each_pair { |k,v| s << "#{k}#{pair_divider}#{v}" }
+    each{ |k,v| s << "#{k}#{pair_divider}#{v}" }
     s.join(elem_divider)
   end
 
 end
-