C++ compiler warning - returning local variable

Question

I\'m simply trying to overload a + operator and I\'m getting this compiler warning

reference to local variable \'tmp\' returned

Here is the

Answer 1

tmp has a storage class of auto and will disappear when we exit. The answer is to specify static.

static Int tmp = value + p.value;

The storage assigned to tmp will remain reserved for the duration of the program.