[boost] [smart_ptr]: shared_ptr as key, raw pointer to lookup

From: Johan Torp (johan.torp_at_[hidden])
Date: 2007-05-20 17:24:57

Is there any way to use boost::shared_ptrs as keys in associative
containers and perform look up using raw pointers?

What I want is something similar to this:

  std::map<boost::shared_ptr<int>, std::string> m;
  int i;
  m.find(&i);