lib/funkr/extensions/array.rb in funkr-0.0.3 vs lib/funkr/extensions/array.rb in funkr-0.0.4

@@ -87,7 +87,14 @@
       a,b = tail.span(&block)
       [a.unshift(head),b]
     else [[], self]
     end
   end
+
+  # Constitue des groupes de n éléments
+  def groups_of(ar, n)
+    return [] if self.empty?
+    [self.take(n)] + groups_of(self.drop(n), n)
+  end
+
   
 end