[Trigger] What's the difference between these?

[UndeadImmortal]

Hello, i'm wondering, whats the difference of Integer A and Integer B?

 

[rulerofiron99]

The point is if you have a loop in another loop.

But regardless, you shouldn't use Integer A/B, since they can sometimes bug.

Always use your own integers.

 

[edo494]

how can they bug? they work 100% as they are intended to or is there something hidden?

 

[rulerofiron99]

how can they bug? they work 100% as they are intended to or is there something hidden?

I think they are used by some Blizzard functions (not sure which), which can change the values of Integer A/B.

 

[WaterKnight]

Integer A/B are globals. If you have a Wait action inside the loop, another trigger might fire meanwhile and change the value of A/B or the ending values of your iteration are stored inside globals, too. Even without Waits you could have actions in the loop body that potentially trigger events immediately. If your code has to be recursion-safe, even a dedicated global variable won't be enough. In Jass, you have the possibility to declare local variables, which are instanced everytime you run the function they belong to, so each call of the function is sovereign.