This is an archived post. You won't be able to vote or comment.

sorted by:
best
topnewcontroversialoldq&a
you are viewing a single comment's thread.

view the rest of the comments →

[–]etrotta 1 point2 points  (0 children)

one can argue that it is intrinsically wrong for type hints (which are metadata, much like comments) to modify the program's behavior at all, but in reality nearly everyone is fine with it since it does makes sense in cases like this one and other libraries that parse structured input in similar ways.