fork download
copy 
  1. #include <vector>
  2. #include <boost/unordered_map.hpp>
  3.  
  4. template <typename Container>
  5. struct container_hash {
  6.     std::size_t operator()(Container const& c) const {
  7.             return boost::hash_range(c.begin(), c.end());
  8.                 }
  9.                 };
  10.  
  11. int main()
  12. {
  13.     boost::unordered_map <std::vector <int>, int, container_hash <std::vector <int> > > foo;
  14.     return 0;  
  15. }
  16.  
  17.  
Success #stdin #stdout 0s 3136KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
Standard output is empty
https://ideone.com/8Z99eq
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!