Re: continue/repeat...until false dichotomy
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- Subject: Re: continue/repeat...until false dichotomy
- From: "Kelley, Brian" <bkelley@...>
- Date: 2010年2月17日 09:37:23 -0800
On Feb 17, 2010, at 4:27 AM, Alex Davies wrote:
> The only problem is there is no clear and obvious way the code should
> function, so my stance has always been throw a meaningful error. It's not a
> hard one to catch at all, requiring only a minor modification to the
> parser..
Why is it not clear and obvious that a newly-created variable's value will be nil unless it has been assigned some other value?
People can use 'if' to skip assignments, also. I don't hear people worrying needlessly about that, or clamoring for the compiler to emit warnings in those cases.
-bhk
- References:
- continue/repeat...until false dichotomy, Kelley, Brian
- Re: continue/repeat...until false dichotomy, Florian Weimer
- Re: continue/repeat...until false dichotomy, Kelley, Brian
- Re: continue/repeat...until false dichotomy, Matthew Wild
- Re: continue/repeat...until false dichotomy, Kelley, Brian
- Re: continue/repeat...until false dichotomy, Matthew Wild
- Re: continue/repeat...until false dichotomy, David Given
- Re: continue/repeat...until false dichotomy, Alex Davies