str operator+(str const &self, char const(&other)[N])
{
std::string s;
s.reserve(self.size() + N);
s += self.get_data();
s += other;
return {std::move(s)};
}
str operator+(char const(&self)[N], str const &other)
{
std::string s;
s.reserve(other.size() + N);
s += self;
s += other.get_data();
return {std::move(s)};
}
str operator+(str const &self, str const &other)
{
return str(self.get_data() + other.get_data());
}