#include <stdio.h>
#include <stdlib.h>

#define log_int(x)  printf("%s == %d\n", (#x), (x))

int triple(int n) {
    return n * 3;
}

int main(int argc, char* argv[]) {
    // GOOD
    log_int(triple(5));
    log_int(triple(4));
    log_int(triple(3));
    log_int(triple(2));
    log_int(triple(1));
    // Advantages over raw printf(…)
    // ∙ Easy to "turn off" when it's time to submit your code.
    // ∙ Less duplication means fewer oppportunities for bugs.

    // BAD (… or less good)
    printf("triple(5) == %d\n", triple(5));
    printf("triple(4) == %d\n", triple(4));
    printf("triple(3) == %d\n", triple(3));
    printf("triple(2) == %d\n", triple(2));
    printf("triple(1) == %d\n", triple(1));

    return EXIT_SUCCESS;
}
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