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Practically, I prefer let and var because of autocompletion. Type one letter then tab. Of course, if I could dictate I might prefer something else.

I think of it as being more math like rather than PhD.

Nothing wrong with borrowing from math.



From the perspective of "language designers influencing programmers", the difficulty of auto-completing to `let mut` could be seen as something positive.


A good IDE will let you type "mu", and autocomplete with "let mu", cycling on tab will give you more options.




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