[Boost-users] [function] How to obtain the signature type?

Hi, Currently I have the following: typedef boost::function MyFunction; Is there a typedef in the boost::function class for the Signature template parameter? I need access to the function type passed into the boost::function object. I've tried finding the boost::function class in the source, but that turned out to be impossible. The documentation also does not explain how to do this from what I saw. Any help is appreciated.