ACE/ace/Pair_T.h

   1 /* -*- C++ -*- */
   2
   3 //=============================================================================
   4 /**
   5  *  @file    Pair_T.h
   6  *
   7  *  @author Irfan Pyarali <irfan@cs.wustl.edu>
   8  */
   9 //=============================================================================
  10
  11
  12 #ifndef ACE_PAIR_T_H
  13 #define ACE_PAIR_T_H
  14 #include /**/ "ace/pre.h"
  15
  16 #include /**/ "ace/config-all.h"
  17
  18 #if !defined (ACE_LACKS_PRAGMA_ONCE)
  19 # pragma once
  20 #endif /* ACE_LACKS_PRAGMA_ONCE */
  21
  22 ACE_BEGIN_VERSIONED_NAMESPACE_DECL
  23
  24 /**
  25  * @class ACE_Reference_Pair
  26  *
  27  * @brief Defines a pair that only hold references.
  28  *
  29  * Similar to the STL pair (but restricted to holding references
  30  * and not copies).
  31  */
  32 template <class T1, class T2>
  33 class ACE_Reference_Pair
  34 {
  35 public:
  36   // = Traits.
  37   typedef T1 first_type;
  38   typedef T2 second_type;
  39
  40   /// Constructor.
  41   ACE_Reference_Pair (T1 &t1, T2 &t2);
  42
  43   /// Access first.
  44   T1 &first () const;
  45
  46   /// Access second.
  47   T2 &second () const;
  48
  49   // Compare pairs.
  50   bool operator== (const ACE_Reference_Pair<T1, T2> &rhs) const;
  51
  52 protected:
  53   /// First.
  54   T1 &first_;
  55
  56   /// Second.
  57   T2 &second_;
  58 };
  59
  60 ACE_END_VERSIONED_NAMESPACE_DECL
  61
  62 #if defined (__ACE_INLINE__)
  63 #include "ace/Pair_T.inl"
  64 #endif /* __ACE_INLINE__ */
  65
  66 #include "ace/Pair_T.cpp"
  67
  68 #include /**/ "ace/post.h"
  69 #endif /* ACE_PAIR_T_H */