input and output operators are overloaded

Author: potat-dev

HugeInt.cpp

@@ -291,6 +291,18 @@ void HugeInt::shrink_to_fit() {
   }
 }
 
+std::ostream& operator<<(std::ostream &out, const HugeInt &n) {
+  out << n.get();
+  return out;
+}
+
+std::istream& operator>>(std::istream &in, HugeInt &n) {
+  string temp;
+  in >> temp;
+  n.set(temp);
+  return in;
+}
+
 void HugeInt::print_full() {
   if (negative) cout << "-";
   for (int i = 39; i > -1; cout << number[i--]);

HugeInt.h

@@ -47,9 +47,12 @@ class HugeInt {
     HugeInt operator-() const;
 
     void shrink_to_fit(); // обрезаем ненужные нули
-    
-    void print_full(); // print для теста
-    void print();      // print для теста
+
+    friend std::ostream& operator<<(std::ostream &out, const HugeInt &n);
+    friend std::istream& operator>>(std::istream &in, HugeInt &n);
+    //?  тест
+    void print_full(); //?  print для теста
+    void print();      //?  print для теста
 };
 
 #endif

L12_6.cpp

@@ -14,6 +14,7 @@
 //? ДОП:
 //  перегрузка операторов
 //* - операторы сравнения
+//* - операторы вывода на экран
 //  - математические операторы
 //  умножение
 //  нахождение остатка от деления
@@ -22,9 +23,7 @@
 using namespace std;
 
 int main() {
-  HugeInt a;
-  HugeInt b;
-  HugeInt s;
+  HugeInt a, b, s;
   a.print_full();
   a.print();
 
@@ -34,37 +33,37 @@ int main() {
   a.print();
 
   if (a.check_zero()) {
-    cout << a.get() << " - its zero " << endl;
+    cout << a << " - its zero " << endl;
   } else {
-    cout << a.get() << " - not zero " << endl;
+    cout << a << " - not zero " << endl;
   }
 
   if (b.check_zero()) {
-    cout << b.get() << " - its zero " << endl;
+    cout << b << " - its zero " << endl;
   } else {
-    cout << b.get() << " - not zero " << endl;
+    cout << b << " - not zero " << endl;
   }
 
   if (a > b) {
-    cout << a.get() << " > " << b.get() << endl;
+    cout << a << " > " << b << endl;
   } else if (a < b) {
-    cout << a.get() << " < " << b.get() << endl;
+    cout << a << " < " << b << endl;
   } else if (a == b) {
-    cout << a.get() << " = " << b.get() << endl;
+    cout << a << " = " << b << endl;
   }
 
   s = a.dif(b);
-  cout << "Difference = " << s.get() << endl;
+  cout << "Difference = " << s << endl;
   s.print_full();
   s.print();
   s.shrink_to_fit();
   s.print();
 
   s = a.sum(b);
-  cout << "Summ = " << s.get() << endl;
+  cout << "Summ = " << s << endl;
 
   s = -s;
-  cout << s.get() << endl;
+  cout << s << endl;
   s.shrink_to_fit();
   s.print();