Personally, I would be able to use the module you are proposing to accumulate arbitrarily-named measures. I can not think of a use case for division, but it would be nice for completion.  I have made my own library that implements a small part of what you propose [1].

I was looking through the pstats.py [2] source code; and I thought it could benefit from vector operations.  I have seen other code that collect measures have the same redundant pattern.  Maybe some fancy regex can identify other += code sequences that would benefit.  If you make a module, and show how it can simplify pstats.py, maybe you have a winner? 

[2] pstats.py source code - https://github.com/python/cpython/blob/3.7/Lib/pstats.py#L156

Hello :)

the idea is described here:
http://jul.github.io/cv/pres.html#printable

Summary of the idea :

Take a linear algebrae book, and implements all the rules as a TDD.
https://github.com/jul/archery/blob/master/consistent_algebrae.py

make it works based on abstract base class and sets of Mixins.
https://archery.readthedocs.io/en/latest/

And see if we can make cos/__abs__/dot and if it gives naively the intended
results ? (spoiler: yes)

Making it work with dict, and "other" dictionary like counter by using
ineritance
https://archery.readthedocs.io/en/latest/#advanced-usage

My idea is : wouldn't it be nice if we introduced geometries as sets of
mixins for objects ?
(Hilbertian algebrae could be nice too, and we could make MutableMapping
behave like bra/kets).

So I was proposing a soft discussion on : could we agree that it would be
nice to consider operation overloading as a whole set of behaviours that
could profit from being consistent in a categorized way ? (like the + of []
could be the + of "RecordAlgebrae")
Meaning we could define sets of "expected behaviour consistent interaction
between operators" as we defined the abc and call them algebrae?

I offer the LinearAlgebrae Mixins as a POC, and was thinking of creating a
unittest to qualify if an object is following the rules of linear algebrae.

What are your opinions ?
I don't actually see a lot of use case except it was funny to build. But
maybe it can be of use.


Cordialement

-- 
Julien

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