#include <iostream>

namespace osg {
   class Uniform {
   };
   class Program {
   public:
      bool apply(osg::Uniform const& uni) const {
	 std::cout << "Applying" <<std::endl;
      }

      class PerContextProgram {
      public:
	 bool apply(osg::Uniform const& uni) const {
	    std::cout << "Applying" <<std::endl;
	 }
	 void linkProgram() {
	    std::cout << "Linking" <<std::endl;
	 }
      };
   };
}

int main(int arg, char* argv[]) {
   osg::Uniform uni;

   osg::Program prog;
   prog.apply(uni);

   osg::Program::PerContextProgram pProg;
   pProg.linkProgram();
   pProg.apply(uni);

   return 0;
}