Re: use of ++i, i++

From: Richard Cavell (richardcavell_at_mail.com)
Date: 02/27/05 

Date: Sun, 27 Feb 2005 13:52:56 +1100

On 27/2/05 6:28 AM, Greenhorn wrote:
> hi,
> From reading some guides i understood that prefix, postfix operate
> this way, former executes the increment right away, latter executes the
> increment after the immediately after the immediately following end of
> statement. Is that correct ?
>
> If i go by that rule, the below two statements are equivalent
>
> for(i=0;i < 1;i++)
> printf("The first value printed for i is %d", i);
>
> for(i=0;i < 1;++i)
> printf("The first value printed for i is %d", i);

Yes, but consider this:

int a = ++i;
int b = i++;

And also consider what happens when i is not an integer. i can be any
given class, which might do anything at all.

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