Judah Jacobson 2c5c879037 Introduce a MonadBuild class, and remove buildAnd. (#83) ... This change adds a class that both `Build` and `Session` are instances of: class MonadBuild m where build :: Build a -> m a All stateful ops (generated and manually written) now have a signature that returns an instance of `MonadBuild` (rather than just `Build`). For example: assign_ :: (MonadBuild m, TensorType t) => Tensor Ref t -> Tensor v t -> m (Tensor Ref t) This lets us remove a bunch of spurious calls to `build` in user code. It also lets us replace the pattern `buildAnd run foo` with the simpler pattern `foo >>= run` (or `run =<< foo`, which is sometimes nicer when foo is a complicated expression). I went ahead and deleted `buildAnd` altogether since it seems to lead to confusion; in particular a few tests had `buildAnd run . pure` which is actually equivalent to just `run`.		2017-03-18 12:08:53 -07:00
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Queue.hs	Introduce a MonadBuild class, and remove buildAnd. (#83)	2017-03-18 12:08:53 -07:00