Is your feature request related to a problem? Please describe.
I'm always frustrated when I do not know the meaning of the parameter. We need more detailed comments, otherwise it is not convenient for developers.
like these code:
Describe the solution you'd like
Like PyTorch, every function and every parameter, they all have corresponding comments.
Describe alternatives you've considered
More frequent search in documents. :tired_face:
Additional context

I use the PyCharm, I am used to using ctrl-q to view function documentation... So I think this requirement is very important, and certainly other users have considered similar issues.
@lartpang good suggestion. will document functions inline
@lartpang this was merged a bit ago. Please check to make sure it's what you meant