Prefer not to create lambdas
Prefer not to create lambdas

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