Python’s attrs Library
You know what? I’m done. 20 lines of code so far and we don’t even have a class that does anything; the hard part of this problem was supposed to be the quaternion solver, not “make a data structure which can be printed and compared”. I’m all in on piles of undocumented garbage tuples, lists, and dictionaries it is; defining proper data structures well is way too hard in Python.
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So here’s where my favorite mandatory Python library comes in.
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import attr @attr.s class Point3D(object): x = attr.ib() y = attr.ib() z = attr.ib()
This is also a big pain in Objective-C. Swift structs are better, although you do need to make them Equatable.
