tree 265a4fc63fe5dc7286d8be5bb6b77b798e663cf8
parent 93d43103ec26387008d872f07d7a60261cb305ff
author Chaoyi Bian <tlyzbcy@gmail.com> 1331159395 -0800
committer Chaoyi Bian <tlyzbcy@gmail.com> 1331159395 -0800

implement operator >> overloading