[Python-ideas] for/else statements considered harmful (original) (raw)
Alice Bevan–McGregor alice at gothcandy.com
Thu Jun 7 20:04:11 CEST 2012
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On 2012-06-07 16:29:01 +0000, Mike Meyer said:
On Thu, 7 Jun 2012 11:52:10 -0400 Alice Bevan–McGregor <alice at gothcandy.com> wrote:
Now for loops perfectly match try/except/else/finally! >:D (Like exception handling, finally would be called even with an inner return from any of the prior sections.) For for (and don't forget while) loops, finally is pointless. It's the same as code after the loop. For try, finally runs even if there's an exception, which isn't true of that code.
I really should use parenthesis less as obviously people don't read the content between them. (Not just you, I'm afraid! ;^) If it weren't a useful feature (for/empty) I'm unsure as to why so many template engines implement it even though in most of them you can utilize a sentinel value; at least, in the ones that allow embedded Python code.
Alas, the BDFL has spoken, however. (Getting shot down was not unexpected despite the occasional +1000. ;)
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