Diesmal noch mit dem Zuweisungsoperator

mgretler · mgretler · commit 82d294bd3bae · 2013-09-22T08:41:52.000+02:00
diff --git a/FractionDemo/src/CFraction.cpp b/FractionDemo/src/CFraction.cpp
@@ -42,6 +42,20 @@ CFraction::CFraction(const CFraction &fraction) {
 	clog << "Num: " << *mp_numerator << ", Den: " << *mp_denumerator << endl;
 
 }
+
+CFraction& CFraction::operator =(const CFraction& fraction) {
+	mp_numerator = new int();
+	mp_denumerator = new int();
+
+	*mp_numerator = *fraction.mp_numerator;
+	*mp_denumerator = *fraction.mp_denumerator;
+	clog << "Num: " << *mp_numerator << ", Den: " << *mp_denumerator << endl;
+
+	return *this;
+}
+
 void CFraction::writeln() {
 	cout << "Num: " << *mp_numerator << ", Den: " << *mp_denumerator << endl;
 }
+
+
diff --git a/FractionDemo/src/CFraction.h b/FractionDemo/src/CFraction.h
@@ -14,6 +14,8 @@ class CFraction {
 	virtual ~CFraction();
 	CFraction(int num, int den);
 	CFraction(const CFraction &fraction);
+	CFraction& operator=(const CFraction &fraction);
+
 	void writeln();
 
 private:
diff --git a/FractionDemo/src/FractionDemo.cpp b/FractionDemo/src/FractionDemo.cpp
@@ -11,13 +11,15 @@ using namespace std;
 #include "CFraction.h"
 
 int main() {
-	CFraction zahl1(3, 4);
-	CFraction zahl2;
-	CFraction zahl3(zahl1);
+	CFraction zahl1(3, 4);		// mit �bergabeparametern
+	CFraction zahl2;			// mit Standardwerten initialisieren
+	CFraction zahl3(zahl1);		// als Copy Konstruktor
+	CFraction zahl4 = zahl2;			// mit Zuweisungsoperator
 
 	zahl1.writeln();
 	zahl2.writeln();
 	zahl3.writeln();
+	zahl4.writeln();
 
 	return 0;
 }
