lib/bmg/writer.rb in bmg-0.18.2 vs lib/bmg/writer.rb in bmg-0.18.3

@@ -1,15 +1,31 @@
+module Bmg
+  module Writer
+
+  protected
+
+    def infer_headers(from)
+      attrlist = if from.is_a?(Type) && from.knows_attrlist?
+        from.to_attrlist
+      elsif from.is_a?(Hash)
+        from.keys
+      end
+      attrlist ? output_preferences.order_attrlist(attrlist) : nil
+    end
+
+  end # module Writer
+end # module Bmg
 require_relative 'writer/csv'