1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | #include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include <assert.h>
// Q: But can I make all print_int_expression(…) calls go away just before I submit????
#define print_int_expression(n) \
( printf("%s == %d\n", (#n), (n)) )
// ↑
// only a #define macro can access the text of how an argument was expressed
int main(int argc, char* argv[]) {
print_int_expression(3 + 5); // prints: 3 + 5 == 8
return EXIT_SUCCESS;
}
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