[llvm] r248447 - Add iterator_range::end() predicate.

[Aaron Ballman via llvm-commits]

On Wed, Sep 23, 2015 at 7:58 PM, Rui Ueyama via llvm-commits
<llvm-commits at lists.llvm.org> wrote:
> Author: ruiu
> Date: Wed Sep 23 18:58:29 2015
> New Revision: 248447
>
> URL: http://llvm.org/viewvc/llvm-project?rev=248447&view=rev
> Log:
> Add iterator_range::end() predicate.

Why is this required? I only ask because I was under the impression we
wanted to keep this interface as similar to what may be standardized
as possible, and I don't recall this as part of the current ranges
proposal. However, I could be wrong as I've not checked the proposal
in a while.

~Aaron

>
> Modified:
>     llvm/trunk/include/llvm/ADT/iterator_range.h
>
> Modified: llvm/trunk/include/llvm/ADT/iterator_range.h
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/include/llvm/ADT/iterator_range.h?rev=248447&r1=248446&r2=248447&view=diff
> ==============================================================================
> --- llvm/trunk/include/llvm/ADT/iterator_range.h (original)
> +++ llvm/trunk/include/llvm/ADT/iterator_range.h Wed Sep 23 18:58:29 2015
> @@ -45,6 +45,7 @@ public:
>
>    IteratorT begin() const { return begin_iterator; }
>    IteratorT end() const { return end_iterator; }
> +  bool empty() const { return begin_iterator == end_iterator; }
>  };
>
>  /// \brief Convenience function for iterating over sub-ranges.
>
>
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