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simplified the const iterators

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This commit is contained in:
Phuntsok Drak-pa 2017-10-10 18:35:15 +02:00
parent 23fac82112
commit 3eabc872d4
1 changed files with 4 additions and 40 deletions
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44
src/list.hh
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@ -24,9 +24,11 @@ private:
public:
class iterator;
class const_iterator;
// class const_iterator;
using const_iterator = const iterator;
class reverse_iterator;
class const_reverse_iterator;
// class const_reverse_iterator;
using const_reverse_iterator = const reverse_iterator;
/////////////////////////////////////////////////////////////////////////////
// Member functions //
@ -337,25 +339,6 @@ public:
T operator*() { return it->x; }
};
class const_iterator : protected iterator {
public:
const_iterator() : iterator() {}
explicit const_iterator(T *point) : iterator(point) {}
explicit const_iterator(const iterator &other) : iterator(other) {}
const_iterator(const const_iterator &other) : iterator(other) {}
explicit const_iterator(iterator &&other) : iterator(std::move(other)) {}
const_iterator(const_iterator &&other) : iterator(std::move(other)) {}
const_iterator &operator++() = delete;
const_iterator operator++(int) = delete;
const_iterator &operator--() = delete;
const_iterator operator--(int) = delete;
~const_iterator() {}
};
class reverse_iterator : protected iterator {
public:
reverse_iterator() : iterator() {}
@ -389,25 +372,6 @@ public:
~reverse_iterator() {}
};
class const_reverse_iterator : protected iterator {
public:
const_reverse_iterator() : iterator() {}
explicit const_reverse_iterator(T *point) : iterator(point) {}
const_reverse_iterator(const const_reverse_iterator &other)
: iterator(other) {}
const_reverse_iterator(const_reverse_iterator &&other)
: iterator(std::move(other)) {}
const_reverse_iterator &operator++() = delete;
const_reverse_iterator &operator++(int) = delete;
const_reverse_iterator &operator--() = delete;
const_reverse_iterator &operator--(int) = delete;
~const_reverse_iterator() {}
};
};
} // namespace phundrak