Minor refactoring of aesara.compile.function.types

- Added more type annotations - Cleaned up and remove comments and docstrings - Replaced `std_graph.features` with a keyword argument - Made `DUPLICATE` an `object` sentinel - etc.

Minor refactoring of aesara.compile.function.types
e588b752 · Brandon T. Willard · Brandon T. Willard · afae8eb0 · e588b752
--- a/aesara/compile/function/types.py
+++ b/aesara/compile/function/types.py