Separators inside a var name
Sebastian "lunar" Wiesner
basti.wiesner at gmx.net
Tue Jun 10 13:46:02 CEST 2008
bruno.desthuilliers at gmail.com <bruno.desthuilliers at gmail.com> at Montag 09
Juni 2008 23:39:
> On 9 juin, 20:05, "Sebastian \"lunar\" Wiesner"
> <basti.wies... at gmx.net> wrote:
>> Rainy <andrei.... at gmail.com> at Montag 09 Juni 2008 19:29:
>> > From what I understand, scheme can have variables like var-name. I'm
>> > curious about reasons that python chose to disallow this.
>> "-" is an operator in Python. How should the parser know,
>> whether "var-name" means "the object bound to var_dash_name" or "subtract
>> the object bound to name from the object bound to var"?
>> Scheme can allows such names, because its a functional programming
> Nope. Scheme and most lisps AFAICT allow such names because of lisp's
> syntax, period. Scheme being (more or less) a functional language is
> mostly unrelated. FWIW, there are pure functional languages that use
> an infix operator syntax just like Python (and FWIW, Python itselfs
> uses functions to implement operators) and don't accept dashes in
> identifiers for the same reasons as Python : parsing ambiguity.
Of course, you're right. My words were badly chosen, I just wanted to point
out, that scheme can allow such names, because it doesn't use operators but
functions for things like subtraction. My bad, sorry
Freedom is always the freedom of dissenters.
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