node_modules/uncrustify/tests/output/oc/50072-blocks.m

int *(^blkReturningPointer)(int) = ^int *(int a) {
    return a + 1;
};

void (^blk2)(int *) = ^(int *b) {
    *b = 1;
};


int (^oneFrom)(int) = ^(int anInt) {
    return anInt - 1;
};

// this should not be flagged as OC_BLOCK_CARET
int x = 12 ^ 23;