We closed this forum 18 June 2010. It has served us well since 2005 as the ALPHA forum did before it from 2002 to 2005. New discussions are ongoing at the new URL http://forum.processing.org. You'll need to sign up and get a new user account. We're sorry about that inconvenience, but we think it's better in the long run. The content on this forum will remain online.

Index › Programming Questions & Help › Syntax Questions › for loops

pwn monkey Junior Member Offline Posts: 53	for loops Apr 28th, 2010, 2:05pm   Is Code: for(int i = 0 ; i < 10 ; i++){ Bad syntax? should int i; be called before the for loop?

antiplastik YaBB Moderator Offline Posts: 699 France	Re: for loops Reply #1 - Apr 28th, 2010, 2:25pm   this is a common shortcut. IMO it's ok and makes the code easier to read.

pwn monkey Junior Member Offline Posts: 53	Re: for loops Reply #2 - Apr 28th, 2010, 2:31pm   ok thank you, just wondering because my sketch will randomly crash and its filled with these for loops so just trying to narrow down the problem

PhiLho  YaBB Moderator Offline Posts: 4190 Near Paris (France)	Re: for loops Reply #3 - Apr 29th, 2010, 2:09am   Not only that, but it limits the scope of the i variable to the for loop. Which is generally better (limit scope of your variables to the minimum needed to avoid possible side effects), but also allows you to have several for loops with the same variable in the same block.