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0032906: Coding Rules - get rid of std::iterator inheritance (deprecated since C++17)

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ddzama
2022-03-30 09:24:49 +03:00
committed by smoskvin
parent 1f45f21358
commit 8af9bbd59a
2 changed files with 17 additions and 6 deletions
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src/NCollection/NCollection_StlIterator.hxx
+8 -4
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@@ -26,13 +26,17 @@
//! iterator requires Offset and Differ methods. See NCollection_Vector as
//! example of declaring custom STL iterators.
template<class Category, class BaseIterator, class ItemType, bool IsConstant>
class NCollection_StlIterator :
public std::iterator<Category, ItemType, ptrdiff_t,
typename std::conditional<IsConstant, const ItemType*, ItemType*>::type,
typename std::conditional<IsConstant, const ItemType&, ItemType&>::type>
class NCollection_StlIterator
{
public:
// Since C++20 inheritance from std::iterator is deprecated, so define predefined types manually:
using iterator_category = Category;
using value_type = ItemType;
using difference_type = ptrdiff_t;
using pointer = typename std::conditional<IsConstant, const ItemType*, ItemType*>::type;
using reference = typename std::conditional<IsConstant, const ItemType&, ItemType&>::type;
//! Default constructor
NCollection_StlIterator () {}