Ruby provides this feature. A friend who is a long term user of Rails complained that Rails abuses this and it's a mess in practice. So I dislike this idea.
Victor 2017-08-04 9:39 GMT+02:00 Paul Laos <paul_l...@outlook.com>: > Hi folks > I was thinking about how sometimes, a function sometimes acts on classes, > and > behaves very much like a method. Adding new methods to classes existing > classes > is currently somewhat difficult, and having pseudo methods would make that > easier. > > Code example: (The syntax can most likely be improved upon) > def has_vowels(self: str): > for vowel in ["a", "e,", "i", "o", "u"]: > if vowel in self: return True > > This allows one to wring `string.has_vowels()` instead of > `has_vowels(string)`, > which would make it easier to read, and would make it easier to add > functionality to existing classes, without having to extend them. This would > be > useful for builtins or imported libraries, so one can fill in "missing" > methods. > > * Simple way to extend classes > * Improves readability > * Easy to understand > > ~Paul > > > _______________________________________________ > Python-ideas mailing list > Python-ideas@python.org > https://mail.python.org/mailman/listinfo/python-ideas > Code of Conduct: http://python.org/psf/codeofconduct/ > _______________________________________________ Python-ideas mailing list Python-ideas@python.org https://mail.python.org/mailman/listinfo/python-ideas Code of Conduct: http://python.org/psf/codeofconduct/
