[issue10899] No function type annotations in the standard library
Guido van Rossum
report at bugs.python.org
Wed Jan 12 23:43:33 CET 2011
Guido van Rossum <guido at python.org> added the comment:
On the one hand, I think that any framework that sets a convention for the meaning of annotations needs to cope with the possibility of other code using a different convention. So in that sense this could be deemed a test case for the robustness of such a framework. :-)
On the other hand, having this precedent might give passers-by and perhaps future stdlib developers the idea that a convention has been adopted by the stdlib -- and its presence might impede the future selection of a better convention for the stdlib (or perhaps for all of Python).
So, given that they aren't used, and that they don't even seem to be set consistently, I think it's (marginally) better if they are removed and replaced by comments.
FWIW, I've long wished that the stdlib (and perhaps even PEP 8) would adopt a *comment-based* convention for indicating the types of arguments. The Google Python style guide has a useful standard convention for this purpose:
assignee: gvanrossum -> rhettinger
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