All wroking fine, too tired to make tests, everything seems fine

include/queue.h

@@ -42,7 +42,7 @@ public:
 template <typename T>
 requires std::formattable<T, char>
 Queue<T>::Queue() {
-    this->cap = 0;
+    this->cap = DEFAULT_QUEUE_SIZE;
     this->len = 0;
     this->head = 0;
     this->tail = 0;
@@ -52,7 +52,7 @@ Queue<T>::Queue() {
 template <typename T>
 requires std::formattable<T, char>
 Queue<T>::Queue(uint64_t size) {
-    this->cap = 0;
+    this->cap = DEFAULT_QUEUE_SIZE;
     this->len = 0;
     this->head = 0;
     this->tail = 0;
@@ -60,6 +60,16 @@ Queue<T>::Queue(uint64_t size) {
 
 }
 
+template <typename T>
+requires std::formattable<T, char> 
+Queue<T>::~Queue() {
+    delete[] this->data;
+    this->cap = 0;
+    this->len = 0;
+    this->head = 0;
+    this->tail = 0;
+}
+
 
 template <typename T>
 requires std::formattable<T, char>
@@ -69,13 +79,13 @@ QueueErr Queue<T>::enqueue(T value) {
         T *tmp;
 
         try {
-            T *tmp = new T[new_cap];
+            tmp = new T[new_cap];
         } catch(const std::bad_alloc& e) {
             return QueueErr::bad_alloc;
         }
 
         for (uint64_t i = 0; i < this->len; i++) {
-            uint64_t index = (this->tail) % this->cap;
+            uint64_t index = (this->tail + i) % this->cap;
             tmp[i] = this->data[index];
         }
 
@@ -113,7 +123,7 @@ std::expected<T, QueueErr> Queue<T>::dequeue() {
         }
 
         for (uint64_t i = 0; i < this->len; i++) {
-            uint64_t index = (this->tail) % this->cap;
+            uint64_t index = (this->tail + i) % this->cap;
             tmp[i] = this->data[index];
         }
 
@@ -142,9 +152,6 @@ std::expected<T, QueueErr> Queue<T>::peek() {
 
     T out;
     out = this->data[this->tail];
-    this->len--;
-    this->tail = (this->tail + 1) % this->cap;
-
     return out;
 }
 
@@ -156,25 +163,27 @@ void Queue<T>::print() {
         return;
     }
 
-    std::println("Lenght: {}", this->len);
+    std::println("Length: {}", this->len);
     std::println("Capacity: {}", this->cap);
+
     for (uint64_t i = 0; i < this->cap; i++) {
-        if (this->tail == this->head) {
-            std::println("H/T --->");
-        } else if (this->tail == i) {
-            std::println("Tail--->");
-        } else if (this->head == i) {
-            std::println("Head--->");
+        if (i == this->tail && i == this->head) {
+            std::print("H/T --->");
+        } else if (i == this->tail) {
+            std::print("Tail--->");
+        } else if (i == this->head) {
+            std::print("Head--->");
         } else {
-            std::println("|{:^20}|", "");
+            std::print("        ");
         }
 
         uint64_t dist = (i + this->cap - this->tail) % this->cap;
+
         if (dist < this->len) {
             std::println("|{:^20}|", this->data[i]);
         } else {
             std::println("|{:^20}|", "");
-        }
+        }    
     }
 }
 #endif // !QUEUE_H

include/utils.h

@@ -0,0 +1,14 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+#include <stddef.h>
+#include <stdio.h>
+
+void clear_screen();
+void wait_enter();
+void sleep_seconds(size_t s);
+void read_string(const char *message, char **dest);
+int read_int(const char *message, int *dest);
+int read_double(const char *message, double *dest);
+
+#endif // !