IO#binmode, IO#flush return LightIO::IO object

Author: jjyr

lib/lightio/library/io.rb

@@ -152,6 +152,11 @@ def puts(*obj)
         end
       end
 
+      def flush
+        @obj.flush
+        self
+      end
+
       def close(*args)
         # close watcher before io closed
         io_watcher.close
@@ -217,6 +222,11 @@ def seek(*args)
       @obj.seek(*args)
     end
 
+    def binmode
+      @obj.binmode
+      self
+    end
+
     prepend IOMethods
   end
 end