[Python-ideas] Extending expressions using ellipsis
Steven D'Aprano
steve at pearwood.info
Thu Sep 1 12:26:02 EDT 2016
On Thu, Sep 01, 2016 at 10:04:12AM -0500, Ryan Hiebert wrote:
>
> > On Sep 1, 2016, at 1:40 AM, Greg Ewing <greg.ewing at canterbury.ac.nz> wrote:
> >
> > Guido van Rossum wrote:
> >> Would this be enforced in the grammar or by the lexer? Since you say
> >> you expect the indentation to be enforced, that suggests it would be
> >> done by the grammar,
> >
> > I think it could be done by having the lexer enter a mode
> > where it swallows a newline that is followed by an indentation
> > to a level greater than the starting level of the construct.
> > Then no change would be needed to the grammar.
>
> +1
>
> This is what I would like. It wouldn't require the ellipsis marker,
> AFAICT, and would eliminate so many parenthesis and backslashes from
> my code.
-1 on implicit line continuations.
Having explicit parens (or even the much-maligned backslash line
continuation) is a good thing, making it clear that, yes, the extra
indentation is intentional.
--
Steve
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