- Example
An example of perfect forwarding in Modern C++.
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Example
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// perfectForwarding.cpp#include <iostream>#include <string>#include <utility>template <typename T, typename T1>T create(T1&& t1){return T(std::forward<T1>(t1));}int main(){std::cout << std::endl;// Lvaluesint five=5;int myFive= create<int>(five);std::cout << "myFive: " << myFive << std::endl;std::string str{"Lvalue"};std::string str2= create<std::string>(str);std::cout << "str2: " << str2 << std::endl;// Rvaluesint myFive2= create<int>(5);std::cout << "myFive2: " << myFive2 << std::endl;std::string str3= create<std::string>(std::string("Rvalue"));std::cout << "str3: " << str3 << std::endl;std::string str4= create<std::string>(std::move(str3));std::cout << "str4: " << str4 << std::endl;std::cout << std::endl;};
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