Function Template Instances
Introduction
C++ does not compile the template function directly. Instead, at compile time, when the compiler encounters a call to a template function, it replicates the template function and replaes the template type paraemter with actual types. The function is actual types is called a function template instance.
Examples
Example 1:
class Cents { private: int m_Cents; public: Cents (int nCents) : m_Cents(nCents) { } //we need to overload the > operator to use max() friend bool operator>(Cents &c1, Cents &c2) { return (c1.m_Cents > c2.m_Cents) ? true:false; } }; int main() { Cents cNickle(5); Cents cDime(10); Cents cBigger = max(cNickle, cDime); }