lib/rbbt/util/misc/objects.rb in rbbt-util-5.14.38 vs lib/rbbt/util/misc/objects.rb in rbbt-util-5.14.39

@@ -49,10 +49,10 @@
     end
     current
   end
 
   def self.zip_fields(array)
-    return [] if array.empty? or (first = array.first).nil?
+    return [] if array.nil? or array.empty? or (first = array.first).nil?
     max = array.collect{|l| l.length}.max
     rest = array[1..-1].collect{|v|
       v.length == 1 & max > 1 ? v * max : v
     }
     first = first * max if first.length == 1 and max > 1