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class.cpp
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61 lines (47 loc) · 1 KB
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#include <iostream>
template<typename scalarT>
class Parent
{
public:
Parent (const scalarT);
void display () const;
protected:
scalarT internal_;
};
template<typename scalarT>
Parent<scalarT>::Parent (const scalarT internal) :
internal_ (internal)
{}
template<typename scalarT>
void
Parent<scalarT>::display () const
{
std::cout << "Internal value: " << internal_ << std::endl;
}
template<typename scalarT>
class Child : public Parent<scalarT>
{
public:
Child (const scalarT);
void display () const;
protected:
using Parent<scalarT>::internal_;
};
template<typename scalarT>
Child<scalarT>::Child (const scalarT internal) :
Parent<scalarT> (internal)
{}
template<typename scalarT>
void
Child<scalarT>::display () const
{
std::cout << "From Child, internal value: " << internal_ << std::endl;
}
int main(int argc, char ** argv) {
// Parent<int> p (5);
// p.display ();
Child<int> c (5);
c.display ();
return 0;
}
// g++ -o class class.cpp && ./class