Avoid ref-qualifier in member function
Avoid ref-qualifier in member function

jnishi/chainer,keisuke-umezawa/chainer,okuta/chainer,chainer/chainer,wkentaro/chainer,keisuke-umezawa/chainer,niboshi/chainer,chainer/chainer,niboshi/chainer,niboshi/chainer,keisuke-umezawa/chainer,okuta/chainer,tkerola/chainer,okuta/chainer,chainer/chainer,niboshi/chainer,chainer/chainer,jnishi/chainer,hvy/chainer,wkentaro/chainer,jnishi/chainer,jnishi/chainer,ktnyt/chainer,hvy/chainer,wkentaro/chainer,okuta/chainer,hvy/chainer,hvy/chainer,keisuke-umezawa/chainer,ktnyt/chainer,wkentaro/chainer,ktnyt/chainer,ktnyt/chainer,pfnet/chainer