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add reverse iterators to smallvector
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41198 91177308-0d34-0410-b5e6-96231b3b80d8
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@ -14,8 +14,8 @@
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#ifndef LLVM_ADT_SMALLVECTOR_H
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#define LLVM_ADT_SMALLVECTOR_H
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#include "llvm/ADT/iterator"
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#include <algorithm>
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#include <iterator>
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#include <memory>
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#ifdef _MSC_VER
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@ -90,18 +90,29 @@ public:
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typedef size_t size_type;
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typedef T* iterator;
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typedef const T* const_iterator;
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typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
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typedef std::reverse_iterator<iterator> reverse_iterator;
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typedef T& reference;
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typedef const T& const_reference;
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bool empty() const { return Begin == End; }
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size_type size() const { return End-Begin; }
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// forward iterator creation methods.
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iterator begin() { return Begin; }
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const_iterator begin() const { return Begin; }
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iterator end() { return End; }
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const_iterator end() const { return End; }
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// reverse iterator creation methods.
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reverse_iterator rbegin() { return reverse_iterator(end()); }
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const_reverse_iterator rbegin() const{ return const_reverse_iterator(end()); }
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reverse_iterator rend() { return reverse_iterator(begin()); }
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const_reverse_iterator rend() const { return const_reverse_iterator(begin());}
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reference operator[](unsigned idx) {
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return Begin[idx];
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}
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