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

int main(int argc, char* argv[]) {
    int n = 5;
    int* a_n = &n;

    // *a_n = 7;
    //
    // What would happen if we didn't use the *?
//  a_n = 7;  // BAD!!!
/*
  d.c:13:6: warning: assignment to ‘int *’ from ‘int’ makes pointer from integer without a cast [-Wint-conversion]
  a_n = 7;  // BAD!!!
        ^
*/
    //
    a_n = (int*) 7;  // TERRIBLE!!!
    printf("%p\n", (void*) a_n);
    printf("%d\n", *a_n);  // print the value at a_n

    // ∙ Do not try to solve the assignment to ‘▒*’ from ‘▒’ with a typecast.
    // ∙ Do not use typecasts... PERIOD... unless:
    //   1) It is absolutely necessary.
    //   2) It is absolutely safe.
    //   3) You know---and can articulate---why (for #2 and #3).
    
    return EXIT_SUCCESS;
}
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