Nozomu Katoo wrote:
> Dear C++ committee,
>
> In "28.4 Header <regex> synopsis [re.syn]" of N2284, two template
> functions are declared here:
>
>  // 28.10, class template match_results:
>  <snip>
>
>  // match_results comparisons
>  template <class BidirectionalIterator, class Allocator>
>    bool operator== (const match_results<BidirectionalIterator,
>                     Allocator>& m1, const
> match_results<BidirectionalIterator, Allocator>& m2);
>
>  template <class BidirectionalIterator, class Allocator>
>    bool operator!= (const match_results<BidirectionalIterator,
>                     Allocator>& m1, const
> match_results<BidirectionalIterator, Allocator>& m2);
>
>  // 28.10.6, match_results swap:
>
> But the details of these two bool operator functions (i.e., which
> members of match_results should be used in comparison) are not
> described in any following sections.

That looks like a bug: operator== should return true only if the two object
refer to the same match - ie if one object was constructed as a copy of the
other.

John.

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