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qtutil.h
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29 
30 #pragma once
31 
32 #include <boost/range.hpp>
33 
34 namespace LeechCraft
35 {
36 namespace Util
37 {
38  template<typename Iter, typename Assoc, template<typename K, typename V> class PairType>
39  class StlAssocIteratorAdaptor : public boost::iterator_adaptor<
40  StlAssocIteratorAdaptor<Iter, Assoc, PairType>,
41  Iter,
42  PairType<typename Assoc::key_type, typename Assoc::mapped_type>,
43  boost::use_default,
44  PairType<typename Assoc::key_type, typename Assoc::mapped_type>
45  >
46  {
48 
49  typedef boost::iterator_adaptor<
51  Iter,
52  PairType<typename Assoc::key_type, typename Assoc::mapped_type>,
53  boost::use_default,
54  PairType<typename Assoc::key_type, typename Assoc::mapped_type>
55  > Super_t;
56  public:
57  StlAssocIteratorAdaptor () = default;
58 
59  StlAssocIteratorAdaptor (const Iter& it)
60  : Super_t { it }
61  {
62  }
63  private:
64  typename Super_t::reference dereference () const
65  {
66  return { this->base ().key (), this->base ().value () };
67  }
68  };
69 
70  template<typename Iter, typename Assoc, template<typename K, typename V> class PairType>
71  struct StlAssocRange : public boost::iterator_range<StlAssocIteratorAdaptor<Iter, Assoc, PairType>>
72  {
73  public:
74  StlAssocRange (const Assoc& assoc)
75  : boost::iterator_range<StlAssocIteratorAdaptor<Iter, Assoc, PairType>> { assoc.begin (), assoc.end () }
76  {
77  }
78  };
79 
80  template<template<typename K, typename V> class PairType = std::pair, typename Assoc>
82  {
83  return { assoc };
84  }
85 }
86 }
StlAssocRange(const Assoc &assoc)
Definition: qtutil.h:74
StlAssocRange< typename Assoc::const_iterator, Assoc, PairType > Stlize(const Assoc &assoc)
Definition: qtutil.h:81
friend class boost::iterator_core_access
Definition: qtutil.h:47