gistfile1.h

// Benchmark with Clang
void benchmark(char *name, size_t times, void (^block)(void)) {
    size_t i;
    clock_t t1, t2;
    t1 = clock();
    for (i = 0; i < times; i++) block();
    t2 = clock();
    
    float diff = ((float)t2 - (float)t1) / (float)CLOCKS_PER_SEC;
    
    printf("- %s took %.4f seconds\n", name, diff);
}

int main() {
    benchmark("hello", 1000, ^{
        int i = rand() * 10;
    });
}