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cpp-class-template-specialization.cpp
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cpp-class-template-specialization.cpp
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#include <iostream>
enum class Fruit { apple, orange, pear };
enum class Color { red, green, orange };
template <typename T> struct Traits;
template<>
struct Traits<Fruit>{
static std::string name(int index){
switch(index)
{
case static_cast<int>(Fruit::apple): return "apple";
case static_cast<int>(Fruit::orange): return "orange";
case static_cast<int>(Fruit::pear): return "pear";
default: return "unknown";
}
}
};
template<>
struct Traits<Color>{
static std::string name(int index){
switch(index)
{
case static_cast<int>(Color::red): return "red";
case static_cast<int>(Color::green): return "green";
case static_cast<int>(Color::orange): return "orange";
default: return "unknown";
}
}
};
int main()
{
auto no_of_tests = unsigned{};
std::cin >> no_of_tests;
for (auto i = unsigned{0}; i < no_of_tests; i++) {
auto index1 = int{};
auto index2 = int{};
std::cin >> index1;
std::cin >> index2;
std::cout << Traits<Color>::name(index1) << " ";
std::cout << Traits<Fruit>::name(index2) << "\n";
}
}