On 03/07/2016 12:01, Marko Rauhamaa wrote:
Alain Ketterlin <al...@universite-de-strasbourg.fr.invalid>:
It would be very confusing to have a variable named ∇f, as confusing
as naming a variable a+b or √x.
Scheme allows *any* characters whatsoever in identifiers.
I think it's one of those languages that has already dispensed with most
syntax anyway. Including distinctions between names and symbols.
Some people think that extra syntax rules including enforcing such
distinctions and having restrictions can improve readability. Otherwise
you can be looking at:
a b c d e f g h
(not Scheme) and wondering which are names and which are operators.
--
Bartc
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