1 files changed, 16 insertions, 0 deletions
diff --git a/ext/dl/lib/dl/import.rb b/ext/dl/lib/dl/import.rb
index f22a53aa84..eec65cdfd6 100644
--- a/ext/dl/lib/dl/import.rb
+++ b/ext/dl/lib/dl/import.rb
@@ -31,6 +31,22 @@ module DL
     end
   end
 
+  # DL::Importer includes the means to dynamically load libraries and build
+  # modules around them including calling extern functions within the C
+  # library that has been loaded.
+  #
+  # == Example
+  #
+  #   require 'dl'
+  #   require 'dl/import'
+  #
+  #   module LibSum
+  #   	extend DL::Importer
+  #   	dlload './libsum.so'
+  #   	extern 'double sum(double*, int)'
+  #   	extern 'double split(double)'
+  #   end
+	#
   module Importer
     include DL
     include CParser