I came here to say this.
Declare result in the first line of the function and return result is the last line. In C++, this is a big hint to the compiler that you want return value optimization to kick in.
result
return result
I came here to say this.
Declare
resultin the first line of the function andreturn resultis the last line. In C++, this is a big hint to the compiler that you want return value optimization to kick in.