Re: Variable declaration in "for" loop initialization expression?
Re: Variable declaration in "for" loop initialization expression?
- Subject: Re: Variable declaration in "for" loop initialization expression?
- From: Graham Cox <email@hidden>
- Date: Thu, 18 Nov 2010 22:52:18 +1100
On 18/11/2010, at 10:47 PM, Graham Cox wrote:
> I don't think there is any significant advantage to either form, except the latter is perhaps a bit more compact in source code. It shouldn't make any difference to the object code.
I should also point out that there is a scope difference - in the second form the counter variable only has the scope of the for{...} statement whereas the first form has the scope of the enclosing statement. Arguably the more restricted scoping can help eliminate bugs.
--Graham
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