1 files changed, 14 insertions, 0 deletions
diff --git a/week10/Exercise10/ModifiableString.cpp b/week10/Exercise10/ModifiableString.cpp
new file mode 100644
index 0000000..bd42088
--- /dev/null
+++ b/week10/Exercise10/ModifiableString.cpp
@@ -0,0 +1,14 @@
+#include "ModifiableString.h"
+
+char& ModifiableString::operator[](int index) {
+	return str[index];
+}
+
+char& ModifiableString::operator[](int index) const {
+	return str[index];
+}
+
+ModifiableString& ModifiableString::operator+=(const ModifiableString& right) {
+	String::operator=(*this + right);
+	return *this;
+}