[Python-ideas] for/else syntax
steve at pearwood.info
Sat Oct 3 19:06:17 CEST 2009
On Sat, 3 Oct 2009 11:30:55 pm Yuvgoog Greenle wrote:
> if not break:
> Notice how readable and beautiful the code has become.
No I don't. It looks like you're testing against a boolean flag
> We have 2 implementation options:
> 1. an "if" that comes immediately after a for/while can have the
> special keywords "not" or "break".
> 2. the for/while syntax has an optional "if break" or "if not break".
Or #3: don't change a thing.
> I'd like to hear if people like this idea and if so, which of the 2
> options do you like better.
No. Neither of them.
> Check it out, there's no need for a syntax error
> because it's so obviously wrong:
Your reasoning is backwards. If it were obviously wrong, there *would*
be need to have a syntax error:
File "<stdin>", line 1
SyntaxError: invalid syntax
Syntax errors are for code which can't be compiled, not for code that
does something unexpected, or unintuitive, or pointless.
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