RFC -- custom operators

[Marko Rauhamaa]

Steven D'Aprano <steve+comp.lang.python at pearwood.info>:

> (1) This proposal requires operators to be legal identifiers, 
>     such as "XOR" or "spam", not punctuation like % and
>     absolutely not Unicode symbols like ∉

Oh, that's a let-down. Operator symbols get their expressive value from
visual conciseness:

   life←{↑1 ⍵∨.∧3 4=+/,¯1 0 1∘.⊖¯1 0 1∘.⌽⊂⍵}

   <URL: https://en.wikipedia.org/wiki/APL_(programming_language)#G
   ame_of_Life>

> (If there aren't any such use-cases, then there's no need for custom
> operators.)
>
> Thoughts?

I have never felt the need for custom operators in Python code. I
believe introducing them will make it harder, not easier, to read code.


Marko