http://qiita.com/kazukichi/items/7379b75fba2f90d3cf45
Thu Jun 04 2015 08:54:49 GMT+0900 (JST)
http://paiza.hatenablog.com/entry/2015/05/07/%E5%88%9D%E5%BF%83%E8%80%85%E3%81%A7%E3%82%82%E3%81%BB%E3%81%BC%E7%84%A1%E6%96%99%E3%81%A7Scala%E3%82%92%E5%8B%89%E5%BC%B7%E3%81%A7%E3%81%8D%E3%82%8B%E3%82%B3%E3%83%B3%E3%83%86%E3%83%B3%E3%83%849%E9%81%B8
Thu Jun 04 2015 00:21:26 GMT+0900 (JST)