/usr/include/cutl/container/map-iterator.hxx is in libcutl-dev 1.10.0+ds1-1+b2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// copyright : Copyright (c) 2009-2013 Code Synthesis Tools CC
// license : MIT; see accompanying LICENSE file
#ifndef CUTL_CONTAINER_MAP_ITERATOR_HXX
#define CUTL_CONTAINER_MAP_ITERATOR_HXX
namespace cutl
{
namespace container
{
// Map iterator adapter that can be used to implement multi-index
// containers, as discussed in the following post:
//
// http://www.codesynthesis.com/~boris/blog/2012/09/11/emulating-boost-multi-index-with-std-containers/
//
template <typename M>
struct map_iterator: M::iterator
{
typedef typename M::iterator base_iterator;
typedef typename M::value_type::second_type value_type;
typedef value_type* pointer;
typedef value_type& reference;
map_iterator () {}
map_iterator (base_iterator i): base_iterator (i) {}
reference
operator* () const
{
return base_iterator::operator* ().second;
}
pointer
operator-> () const
{
return &base_iterator::operator-> ()->second;
}
};
template <typename M>
struct map_const_iterator: M::const_iterator
{
typedef typename M::iterator base_iterator;
typedef typename M::const_iterator base_const_iterator;
typedef const typename M::value_type::second_type value_type;
typedef value_type* pointer;
typedef value_type& reference;
map_const_iterator () {}
map_const_iterator (base_iterator i): base_const_iterator (i) {}
map_const_iterator (base_const_iterator i): base_const_iterator (i) {}
reference
operator* () const
{
return base_const_iterator::operator* ().second;
}
pointer
operator-> () const
{
return &base_const_iterator::operator-> ()->second;
}
};
}
}
#endif // CUTL_CONTAINER_MAP_ITERATOR_HXX
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