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ArrayRef reverse iterators.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173424 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Andrew Trick 2013-01-25 06:33:52 +00:00
parent 2f0a4e1aad
commit 827de0520e
1 changed files with 5 additions and 0 deletions
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5
include/llvm/ADT/ArrayRef.h
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@ -33,6 +33,8 @@ namespace llvm {
typedef const T *const_iterator; typedef const T *const_iterator;
typedef size_t size_type; typedef size_t size_type;
typedef std::reverse_iterator<iterator> reverse_iterator;
private: private:
/// The start of the array, in an external buffer. /// The start of the array, in an external buffer.
const T *Data; const T *Data;
@ -84,6 +86,9 @@ namespace llvm {
iterator begin() const { return Data; } iterator begin() const { return Data; }
iterator end() const { return Data + Length; } iterator end() const { return Data + Length; }
reverse_iterator rbegin() const { return reverse_iterator(end()); }
reverse_iterator rend() const { return reverse_iterator(begin()); }
/// empty - Check if the array is empty. /// empty - Check if the array is empty.
bool empty() const { return Length == 0; } bool empty() const { return Length == 0; }