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#include "String.h"
#include <cstring>
void String::free() {
delete[] str;
}
void String::copyFrom(const String& other) {
this->str = new char[strlen(other.str) + 1];
strcpy(this->str, other.str);
}
String::String() {
this->str = nullptr;
}
String::~String() {
free();
}
String::String(const String& other) {
copyFrom(other);
}
String& String::operator=(const String& other) {
if (this != &other) {
free();
copyFrom(other);
}
return *this;
}
String::String(String&& other) {
this->str = other.str;
other.str = nullptr;
}
String& String::operator=(String&& other) {
if (this != &other) {
free();
this->str = other.str;
other.str = nullptr;
}
return *this;
}
String::String(const char* str) {
this->str = new char[strlen(str) + 1];
strcpy(this->str, str);
}
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