Function Overloading - more detailed rules

Lecture 2 - Page 26 : 42

Notes about C++
Basic facilities

Function Overloading - more detailed rules

Matching the type of an actual parameter and the type of a formal parameter

The criateria below are tried in order

The call is ambiguous if two or matches are found at the same level

Exact match
- Only trivial conversions are performed
- Array name to pointer, function name to function pointer, T to const T,...

Match using promotions
- Integral promotions and floating point promotions
- bool to int, char to int, short to int, float to double, ...

Match using standard conversions
- int to double, double to int, double to long double derived* to base*, T* to void, ...