[Python-Dev] Switch statement
Guido van Rossum
guido at python.org
Thu Jun 22 18:46:15 CEST 2006
On 6/22/06, Georg Brandl <g.brandl at gmx.net> wrote:
> Guido van Rossum wrote:
> >> I've also been wondering whether the 'case' keyword is really necessary?
> >> Would any ambiguities or other parsing problems arise if you wrote:
> >> switch x:
> >> 1: foo(x)
> >> 2: bar(x)
> >> It is debatable whether this is more or less readable, but it seemed
> >> like an interesting question for the language lawyers.
> > That's no problem for the parser, as long as the expressions are
> > indented. ABC did this.
> > But I think I like an explicit case keyword better; it gives a better
> > error message if the indentation is forgotten.
> It also overthrows the notion that suites are started by statements, not
> by expressions.
I'm not sure I care about that. Do you use this in teaching? How does
it help you?
--Guido van Rossum (home page: http://www.python.org/~guido/)
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