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add reverse iterators to smallvector

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@41198 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-08-20 21:22:48 +00:00
parent 96fea337d2
commit 8568122b41
1 changed files with 14 additions and 3 deletions
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17
include/llvm/ADT/SmallVector.h
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@ -14,8 +14,8 @@
#ifndef LLVM_ADT_SMALLVECTOR_H
#define LLVM_ADT_SMALLVECTOR_H
#include "llvm/ADT/iterator"
#include <algorithm>
#include <iterator>
#include <memory>
#ifdef _MSC_VER
@ -90,18 +90,29 @@ public:
typedef size_t size_type;
typedef T* iterator;
typedef const T* const_iterator;
typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
typedef T& reference;
typedef const T& const_reference;
bool empty() const { return Begin == End; }
size_type size() const { return End-Begin; }
// forward iterator creation methods.
iterator begin() { return Begin; }
const_iterator begin() const { return Begin; }
iterator end() { return End; }
const_iterator end() const { return End; }
// reverse iterator creation methods.
reverse_iterator rbegin() { return reverse_iterator(end()); }
const_reverse_iterator rbegin() const{ return const_reverse_iterator(end()); }
reverse_iterator rend() { return reverse_iterator(begin()); }
const_reverse_iterator rend() const { return const_reverse_iterator(begin());}
reference operator[](unsigned idx) {
return Begin[idx];
}