1.1 --- a/lemon/utility.h	Wed Oct 05 13:17:42 2005 +0000
     1.2 +++ b/lemon/utility.h	Wed Oct 05 13:18:51 2005 +0000
     1.3 @@ -139,47 +139,6 @@
     1.4    template <class Cond, class T> 
     1.5    struct lazy_disable_if : public lazy_disable_if_c<Cond::value, T> {};
     1.6  
     1.7 -  // smart referencing
     1.8 -
     1.9 -  template <typename _Type, typename Enable = void>
    1.10 -  struct SmartReference {
    1.11 -    typedef _Type& Type;
    1.12 -  };
    1.13 -  
    1.14 -  template <typename _Type>
    1.15 -  struct SmartReference<
    1.16 -    _Type, 
    1.17 -    typename enable_if<typename _Type::NeedCopy, void>::type
    1.18 -  > {
    1.19 -    typedef _Type Type;
    1.20 -  };
    1.21 -
    1.22 -  template <typename _Type, typename Enable = void>
    1.23 -  struct SmartConstReference {
    1.24 -    typedef const _Type& Type;
    1.25 -  };
    1.26 -  
    1.27 -  template <typename _Type>
    1.28 -  struct SmartConstReference<
    1.29 -    _Type, 
    1.30 -    typename enable_if<typename _Type::NeedCopy, void>::type
    1.31 -  > {
    1.32 -    typedef const _Type Type;
    1.33 -  };
    1.34 -
    1.35 -  template <typename _Type, typename Enable = void>
    1.36 -  struct SmartParameter {
    1.37 -    typedef _Type& Type;
    1.38 -  };
    1.39 -  
    1.40 -  template <typename _Type>
    1.41 -  struct SmartParameter<
    1.42 -    _Type, 
    1.43 -    typename enable_if<typename _Type::NeedCopy, void>::type
    1.44 -  > {
    1.45 -    typedef const _Type& Type;
    1.46 -  };
    1.47 -
    1.48  } // namespace lemon
    1.49  
    1.50  #endif