ACE/examples/APG/Containers/RB_Tree_Functors.h

   1 /* -*- C++ -*- */
   2 #ifndef __RB_TREE_FUNCTORS_H_
   3 #define __RB_TREE_FUNCTORS_H_
   4
   5 #include "ace/Functor.h"
   6
   7 // Listing 1 code/ch05
   8 // Same key type.
   9 class KeyType
  10 {
  11 public:
  12   KeyType () : val_(0) {}
  13   KeyType (int i) : val_ (i) {}
  14   KeyType (const KeyType& kt) { this->val_ = kt.val_; }
  15   operator int() const { return val_; };
  16
  17 private:
  18   int val_;
  19 };
  20
  21 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  22
  23 template<>
  24 class ACE_Less_Than<KeyType>
  25 {
  26 public:
  27   int operator() (const KeyType k1, const KeyType k2)
  28   { return k1 < k2; }
  29 };
  30
  31 ACE_END_VERSIONED_NAMESPACE_DECL
  32
  33 // Listing 1
  34
  35 #endif /* __RB_TREE_FUNCTORS_H_ */