fix: moved implementation of printing to stdout an int to the main program

struct/vec.c

@@ -256,19 +256,6 @@ void vec_remove(vec_t *vec, size_t idx) {
     free(aftr_idx);
 }
 
-char *print_int(void *element) {
-    int64_t data = (int64_t)element;
-    char *s = calloc(30, sizeof(char));
-
-    if (s == NULL) {
-        perror("calloc");
-        return NULL;
-    }
-
-    sprintf(s, "Data: %ld |\n", data);
-    return s;
-}
-
 /**
  * @brief Function that prints out the content as well as the current length and
  * capacity of a given vector

struct/vec.h

-#ifndef _VEC_H_
-#define _VEC_H_
+#pragma once
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -27,5 +26,3 @@ extern char *print_int(void *element);
 extern void vec_print(vec_t *vec, char *(*print_entry)(void *data));
 
 extern void vec_destroy(vec_t **vec);
-
-#endif

vec_test.c

@@ -7,7 +7,6 @@
 #define NB_OPTIONS 6
 
 void print_menu(void) {
-
     fprintf(stdout, "*********** Menu opts ***********\n");
     fprintf(stdout, "1:\tPush number\n");
     fprintf(stdout, "2:\tDelete at given index\n");
@@ -18,6 +17,19 @@ void print_menu(void) {
     fprintf(stdout, "*********************************\n\n");
 }
 
+char *print_int(void *element) {
+    int64_t data = (int64_t)element;
+    char *s = calloc(30, sizeof(char));
+
+    if (s == NULL) {
+        perror("calloc");
+        return NULL;
+    }
+
+    sprintf(s, "Data: %ld |\n", data);
+    return s;
+}
+
 int main(int argc, char **argv) {
     if (argc < 2) {
         fprintf(stderr, "Usage:\n");
@@ -84,7 +96,6 @@ int main(int argc, char **argv) {
                     item_poped);
             break;
         case 4:
-            // vec_print(new_vec);
             vec_print(new_vec, print_int);
             break;
         case 5: