#include <any>
#include <iostream>
int main()
{
int myInt ;
std::any myAny ;
std::cout << myAny.has_value() << " ";
try
{
myInt = std::any_cast<int>(myAny);
}
catch(std::bad_any_cast e)
{
std::cout << "bad ";
}
std::cout << ": ";
myAny = std::any(3);
std::cout << myAny.has_value() << " ";
try
{
myInt = std::any_cast<int>(myAny);
}
catch(std::bad_any_cast e)
{
std::cout << "bad ";
}
std::cout << myInt << " ";
std::cout << std::endl;
return 0;
}
// Output: 0 bad : 1 3
References:https://en.wikipedia.org/wiki/C%2B%2B17
http://en.cppreference.com/w/cpp/utility/any
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