diff --git a/Makefile b/Makefile
index 2787f0e..1e391c1 100644
--- a/Makefile
+++ b/Makefile
@@ -3,6 +3,7 @@
 CC=gcc
 CFILES=src/main.c \
 	src/json_types.c \
+	src/printing.c \
 	src/storage.c
 
 all: clean json-parser
diff --git a/src/main.c b/src/main.c
index 03d9e7e..013ccf8 100644
--- a/src/main.c
+++ b/src/main.c
@@ -1,5 +1,4 @@
-#include <stdio.h>
-
+#include "printing.h"
 #include "storage.h"
 
 int main(int argc, char *argv[])
@@ -26,30 +25,13 @@ int main(int argc, char *argv[])
     arr_add_double(&a, 0.5);
     arr_add_double(&a, 55.789);
 
-    for (int i = 0; i < a.size; ++i)
-    {
-        ArrayLink al = array_get(&a, i);
-        switch (al.type)
-        {
-        case T_STR:
-            printf("%s\n", al.strv.str ? al.strv.str : "");
-            break;
-        case T_INT:
-            printf("%d\n", al.integerv);
-            break;
-        case T_DOUBLE:
-            printf("%f\n", al.doublev);
-            break;
-        case T_BOOL:
-            printf("%s\n", al.boolv ? "true" : "false");
-            break;
-        case T_NULL:
-            printf("null\n");
-            break;
-        case T_ARR:
-            break;
-        }
-    }
+    Array b = init_array(2);
+    arr_add_int(&b, 9);
+    arr_add_int(&b, 8);
+
+    arr_add_arr(&a, &b);
+
+    arr_print(&a);
 
     destroy_array(&a);
     return 0;
diff --git a/src/printing.c b/src/printing.c
new file mode 100644
index 0000000..777595e
--- /dev/null
+++ b/src/printing.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+
+#include "storage.h"
+
+void arr_print(Array *a)
+{
+    int size = a->size;
+    for (int i = 0; i < size; ++i)
+    {
+        ArrayLink al = array_get(a, i);
+        switch (al.type)
+        {
+        case T_STR:
+            printf("%s\n", al.strv.str ? al.strv.str : "");
+            break;
+        case T_INT:
+            printf("%d\n", al.integerv);
+            break;
+        case T_DOUBLE:
+            printf("%f\n", al.doublev);
+            break;
+        case T_BOOL:
+            printf("%s\n", al.boolv ? "true" : "false");
+            break;
+        case T_NULL:
+            printf("null\n");
+            break;
+        case T_ARR:
+            arr_print(al.arrayv);
+            break;
+        }
+    }
+}
diff --git a/src/printing.h b/src/printing.h
new file mode 100644
index 0000000..ce5a59a
--- /dev/null
+++ b/src/printing.h
@@ -0,0 +1,8 @@
+#ifndef PRINTING_H
+#define PRINTING_H
+
+#include "storage.h"
+
+void arr_print(Array *a);
+
+#endif // !PRINTING_H
diff --git a/src/storage.c b/src/storage.c
index 69642fd..05c5fce 100644
--- a/src/storage.c
+++ b/src/storage.c
@@ -4,9 +4,18 @@
 
 Array init_array(int size)
 {
-    return (Array){ .size = size, .insert_idx = 0 };
+    char *indexes_types = calloc(size, sizeof(char));
+    if (!indexes_types)
+    {
+        size = 0;
+    }
+    return (
+        Array){ .size = size, .insert_idx = 0, .indexes_types = indexes_types };
 }
 
+/*******************************************************************************
+**                                    ADDS                                    **
+*******************************************************************************/
 void arr_add_str(Array *a, String value)
 {
     if (!a)
@@ -181,7 +190,7 @@ void arr_add_null(Array *a)
     a->indexes_types[a->insert_idx++] = T_NULL;
 }
 
-void arr_add_array(Array *a, Array *value)
+void arr_add_arr(Array *a, Array *value)
 {
     if (!a || !value)
     {
@@ -327,7 +336,7 @@ ArrayLink array_get(Array *a, int index)
 
 void destroy_array(Array *a)
 {
-    // free(a->indexes_types);
+    free(a->indexes_types);
 
     StrArrLink *sl = a->strings_head;
     while (sl)
@@ -374,6 +383,7 @@ void destroy_array(Array *a)
     {
         ArrArrLink *tmp = al;
         al = al->next;
+        destroy_array(tmp->value);
         free(tmp);
     }
 }
diff --git a/src/storage.h b/src/storage.h
index d230898..3b4382a 100644
--- a/src/storage.h
+++ b/src/storage.h
@@ -81,7 +81,7 @@ struct array_linked_list
 
     // Stores for each index the type of the value, allowing us to not have to
     // search inside all linked lists
-    char indexes_types[10];
+    char *indexes_types;
 
     // Pointers to the head of each linked list
     StrArrLink *strings_head;
@@ -100,16 +100,20 @@ struct array_linked_list
     ArrArrLink *arrays_tail;
 };
 
+/**
+** \brief The size of the returned array is 0, it means that an error occured
+**        when allocating the indexes_types array
+*/
 Array init_array(int size);
 
 void arr_add_str(Array *a, String value);
-void arr_add_int(Array *ial, int value);
-void arr_add_double(Array *ial, double value);
-void arr_add_bool(Array *ial, char value);
-void arr_add_null(Array *ial);
-void arr_add_arr(Array *ial, Array *value);
+void arr_add_int(Array *a, int value);
+void arr_add_double(Array *a, double value);
+void arr_add_bool(Array *a, char value);
+void arr_add_null(Array *a);
+void arr_add_arr(Array *a, Array *value);
 
 ArrayLink array_get(Array *a, int index);
-void destroy_array(Array *ial);
+void destroy_array(Array *a);
 
 #endif // !STORAGE_H