Update todo.rst

docs/todo.rst

@@ -4,5 +4,6 @@ TODO List
 .. todo:: Replace custom stack implementation with ``collections.ChainMap``
 .. todo:: Implement decorator to eliminate unused lines of code (assignments to unused values)
 .. todo:: Technically, ``x += y`` doesn't have to be the same thing as ``x = x + y``. Handle it as its own operation of the form ``x += y; return x``
+.. todo:: Support efficiently inlining simple functions, i.e. where there is no return or only one return as the last line of the function, using pure name substitution without loops, try/except, or anything else fancy
 
-.. todolist::
+.. todolist::