write guides to develop new-style functions
write guides to develop new-style functions

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