include/my_lib/any.hxx

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#ifndef ANY_HXX
#define ANY_HXX

#include"any.hh"
#include"bad_any_cast.hh"
#include"internal/value.hh"

namespace my_lib {
  
  template<typename T>
  any::any(const T& t) : val(new internal::Value<T>(t)) {}
  
  any::any(const any& a) : val(a.val->clone()) {}

  template<typename T>
  any& any::operator =(const any& t) {
    if(&t==this) return *this;
    delete val;
    val=t.val->clone();
  }

  template<typename T>
  any& any::operator =(const T& t) {
    delete val;
    val=new internal::Value<T>(t);
  }

  any::~any(){
    delete val;
  }
  
  std::ostream& operator<<(std::ostream& o, const any& a){
    return a.val->output(o);
  }
  
  template<typename T>
  bool any_typeof(const any& a){
        return typeid(internal::Value<T>&)==typeid(*(a.val));
  }
  
  template<typename T>
  T any_cast(const any& a){
        try{
            const internal::Value<T>& test=dynamic_cast<const internal::Value<T>&>(*(a.val));
        return test.val; 
        } catch(std::bad_cast& e){
                throw bad_any_cast("bad_any_cast");
        }
  }
  
}//fin my_lib

#endif //ANY_HXX