Add a hook function to Evaluator
Add a hook function to Evaluator

cupy/cupy,wkentaro/chainer,ktnyt/chainer,okuta/chainer,keisuke-umezawa/chainer,ktnyt/chainer,wkentaro/chainer,chainer/chainer,jnishi/chainer,ktnyt/chainer,jnishi/chainer,jnishi/chainer,chainer/chainer,wkentaro/chainer,wkentaro/chainer,delta2323/chainer,tkerola/chainer,aonotas/chainer,cupy/cupy,chainer/chainer,ysekky/chainer,hvy/chainer,niboshi/chainer,hvy/chainer,ronekko/chainer,kashif/chainer,hvy/chainer,anaruse/chainer,keisuke-umezawa/chainer,niboshi/chainer,niboshi/chainer,hvy/chainer,okuta/chainer,rezoo/chainer,niboshi/chainer,okuta/chainer,jnishi/chainer,cupy/cupy,kiyukuta/chainer,pfnet/chainer,keisuke-umezawa/chainer,ktnyt/chainer,cupy/cupy,okuta/chainer,kikusu/chainer,keisuke-umezawa/chainer,kikusu/chainer,chainer/chainer