more small tweaks

1 files changed, 13 insertions, 2 deletions

diff --git a/backend/String.cpp b/backend/String.cpp
index 381277e..c856d86 100644
--- a/backend/String.cpp
+++ b/backend/String.cpp
@@ -11,13 +11,24 @@ String::String() {
 }
 
 
+String::String(const String & other) {
+	this->set(other.data(), other.size());
+}
 String & String::operator = (const String & other) {
+	if (this == &other) return *this;
 	this->set(other.data(), other.size());
 	return *this;
 }
 
-String::String(const String & other) {
-	this->set(other.data(), other.size());
+String::String(String && other) {
+	this->_data = other._data;
+	this->_data_len = other._data_len;
+}
+String & String::operator = (String && other) {
+	if (this == &other) return *this;
+	this->_data = other._data;
+	this->_data_len = other._data_len;
+	return *this;
 }
 
 String::String(const char * c_str) {