safe_cast

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// Copyright (C) 2010, Guy Barrand. All rights reserved.
// See the file tools.license for terms.
 
#ifndef tools_safe_cast
#define tools_safe_cast
 
#include "cid"
 
namespace tools {
 
template <class FROM,class TO>
inline TO* safe_cast(FROM& a_o) {
  return (TO*)a_o.cast(TO::s_class());
}
 
template <class FROM,class TO>
inline const TO* safe_cast(const FROM& a_o) {
  return (const TO*)a_o.cast(TO::s_class());
}
 
template <class FROM,class TO>
inline TO* id_cast(FROM& a_o) {
  return (TO*)a_o.cast(TO::id_class());
}
 
template <class FROM,class TO>
inline const TO* id_cast(const FROM& a_o) {
  return (const TO*)a_o.cast(TO::id_class());
}
 
}
 
#endif