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fix for recently introduced regression to sub_range const propagation.

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Neil Groves
2014-03-04 20:22:57 +00:00
parent e26866d3fa
commit e089e0748f
3 changed files with 286 additions and 39 deletions
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25
doc/reference/utilities.qbk
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@ -213,11 +213,17 @@ namespace boost
class sub_range : public iterator_range< typename range_iterator<ForwardRange>::type >
{
public:
typedef typename range_value<ForwardRange>::type value_type;
typedef typename range_iterator<ForwardRange>::type iterator;
typedef typename range_iterator<const ForwardRange>::type const_iterator;
typedef typename iterator_difference<iterator>::type difference_type;
typedef typename range_difference<ForwardRange>::type difference_type;
typedef typename range_size<ForwardRange>::type size_type;
typedef typename range_reference<ForwardRange>::type reference;
typedef typename range_reference<const ForwardRange>::type const_reference;
public: // construction, assignment
sub_range();
template< class ForwardTraversalIterator >
sub_range( ForwardTraversalIterator Begin, ForwardTraversalIterator End );
@ -233,6 +239,23 @@ namespace boost
template< class ForwardRange2 >
sub_range& operator=( const ForwardRange2& r );
// iterator accessors
const_iterator begin() const;
iterator begin();
const_iterator end() const;
iterator end();
reference front();
const_reference front() const;
// If traversal >= bidirectional:
reference back();
const_reference back();
// If traversal >= random-access:
reference operator[](difference_type n);
const_reference operator[](difference_type n) const;
public:
// rest of interface inherited from iterator_range
};