a = b = 1 just syntactic sugar?
tjreedy at udel.edu
Sun Jun 8 03:07:31 CEST 2003
"Ed Avis" <ed at membled.com> wrote in message
news:l1r865h7vk.fsf at budvar.future-i.net...
> I am just asking, why is
> it that the body of an anonymous function cannot contain statements?
Since you have rejected my and others explanation, I will stop.
> The fact that the expression / statement distinction exists is not
> itself a reason to prohibit statements from appearing in anonymous
You have yet to demonstrate that it is sensibly possible to do so.
> Do you think that prohibiting statements inside lamda bodies follows
> the principle of least surprise?
For me it does, for you not.
> I didn't argue for general substitutivity or for abolishing the
> statement/expression distinction, only for allowing statements
> lambda-functions, as they can appear inside named functions. But I
> accept that multi-line lambda definitions would be too awkward.
Good that we agree on this part.
> It seems to me from the Python grammar that the production
> is a statement that fits on one line.
You clipped and did not answer my question as to what you mean by
> advocating any of that. Just one small and seemingly simple change,
> to let a single line of code be used as the body of an anonymous
> function rather than only expressions as at present.
You clipped and did not answer my question about multiple lambdas on
one line. Until you clarify your proposal, I cannot discuss it more.
Terry J. Reedy
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