to_chainerx and from_chainerx in FunctionNode
to_chainerx and from_chainerx in FunctionNode

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