On 2019-02-26 21:53, Jeroen Demeyer wrote:
I think that you are 100% right but that (as with many things) it is the way it is for historical reasons and it hasn't bothered anyone sufficiently much to change it.
Part of the reason why I haven't personally touched _lmul_/_rmul_ (while I did change many other things in the coercion model) is that I never really understood how _lmul_/_rmul_ are supposed to behave precisely. And there are some strange things, especially the "return None if not implemented" part. So the only way to know whether _lmul_ is implemented is to actually call it and look at the result, which is a bit weird.
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