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ADT: Implement MutableArrayRef::reverse_iterator

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This adds rbegin/rend methods to MutableArrayRef, they will be used by a
follow-on commit in clang.

llvm-svn: 196768
This commit is contained in:
David Majnemer 2013-12-09 09:04:00 +00:00
parent 700f24667b
commit 9f08894a06
1 changed files with 5 additions and 0 deletions
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5
include/llvm/ADT/ArrayRef.h
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@ -185,6 +185,8 @@ namespace llvm {
public: public:
typedef T *iterator; typedef T *iterator;
typedef std::reverse_iterator<iterator> reverse_iterator;
/// Construct an empty MutableArrayRef. /// Construct an empty MutableArrayRef.
/*implicit*/ MutableArrayRef() : ArrayRef<T>() {} /*implicit*/ MutableArrayRef() : ArrayRef<T>() {}
@ -219,6 +221,9 @@ namespace llvm {
iterator begin() const { return data(); } iterator begin() const { return data(); }
iterator end() const { return data() + this->size(); } iterator end() const { return data() + this->size(); }
reverse_iterator rbegin() const { return reverse_iterator(end()); }
reverse_iterator rend() const { return reverse_iterator(begin()); }
/// front - Get the first element. /// front - Get the first element.
T &front() const { T &front() const {
assert(!this->empty()); assert(!this->empty());