Emitter: Func pipe now rewrites the tree type to be a call.
Emitter: Func pipe now rewrites the tree type to be a call.

Keyword args will be dispatching on the tree type, and this makes
doing that simpler.

FascinatedBox/lily,FascinatedBox/lily,FascinatedBox/lily,FascinatedBox/lily,jesserayadkins/lily,jesserayadkins/lily,jesserayadkins/lily