A set was requested with preserved insertion order. Mathematically, such a
structure relates more to an Oset (having order) than a Set. See
relationships in the image below:
[image: libo.png]
Each of the mentioned structure types has a dedicated role. Python's sets
work well and correlate with
Great timing! Last week I was trying to emulate a certain Rust example in
Python.
Rust has a way to implement families of classes without subclassing,
which I think could be a great addition to Python someday. I'll explain
below.
Here is a Rust example (https://youtu.be/WDkv2cKOxx0?t=3795)
that d