Ticket #9655: main.cpp
File main.cpp, 366 bytes (added by , 9 years ago) |
---|
Line | |
---|---|
1 | #include<boost/variant> |
2 | #include<memory> |
3 | |
4 | struct Visitor : public boost::static_visitor<std::unique_ptr<int>> { |
5 | template<class T> |
6 | std::unique_ptr<int> operator()(T& operand) { |
7 | return std::unique_ptr<int>(new int(5)); |
8 | } |
9 | }; |
10 | |
11 | |
12 | int main() { |
13 | boost::variant<int,double> a = int(5); |
14 | boost::apply_visitor(Visitor(),a); // this doesn't compile |
15 | } |