Break / Continue

Loop Flow

In any loop, the break and continue statements are available.

• break - exit the loop

• continue - halt the current iteration of the loop, and go to the next (if applicable)

For example:

for(int q = 0; q < 10; ++q)
{
        printf("q is %d\n", q);
        if(q == 2)
                break;
}
for(int p = 0; p < 10; ++p)
{
        unless(p % 3) //skip multiples of 3
                continue;
        printf("p is %d\n", p);
}
/* Prints:
q is 0
q is 1
q is 2
p is 1
p is 2
p is 4
p is 5
p is 7
p is 8
p is 10
*/

Nested Breaking

Additionally, if you have nested loops (loops inside of loops), you can target any of the loops you are in, by specifying a number of loops to go back.

global script example
{
        bool check_something(int x, int y)
        {
                return RandGen->Rand(1, 100) <= 10; // %10 random chance
        }
        bool check_something_else(int x, int y)
        {
                return RandGen->Rand(1, 100) <= 2; // %2 random chance
        }
        void run()
        {
                for(int x = 0; x < 10; ++x)
                {
                        for(int y = 0; y < 10; ++y)
                        {
                                if(check_something(x, y))
                                {
                                        printf("Found something at %d,%d\n", x, y);
                                        continue; // go to the next 'y'
                                }
                                else if(check_something_else(x, y))
                                {
                                        printf("Found something else at %d,%d\n", x, y);
                                        continue 2; // go to the next 'x'
                                }
                                printf("Found nothing at %d,%d\n", x, y);
                        }
                }
        }
}

Tip

A switch statement counts as something you can break; out of, but NOT something you can continue;! Be careful about this when using these statements, or you may end up going to a different loop than you intended!