lol recursive blocks

gistfile1.m

__block void (^myRecursiveBlock)(int);
id myBlock = ^(int x) {
    if (x > 5) {
        // Release the block from its own implicit retain cycle.
        myRecursiveBlock = nil;
    } else {
        myRecursiveBlock(x + 1);
    }
};

// Avoids analyzer warnings about retain cycles.
myRecursiveBlock = [myBlock copy];
myRecursiveBlock(1);