[boost] Re: best way to make {reverse_}fold a sequence

From: Larry Evans (cppljevans_at_[hidden])
Date: 2005-03-01 17:23:16

On 03/01/2005 03:00 PM, Larry Evans wrote:
[snip]
> I was unclear.  The error message was about next:
> 
> fold_sequence_test.cpp(98): error: "next" is ambiguous
>         typedef next<iter0>::type iter1;
>                 ^
> See the http://boost-sandbox.sourceforge.net/vault/
> in cppljevans/mpl/fold_sequence.zip.  The compiler error messages
> included in this zip only include the 1st error message.

The 1st error message in fold_sequence.zip, dealing with begin,
was avoided by defining my_inherit2 with a nested type.

     typedef my_inherit2 type;

However, the ambiguous error, concerning next, is still around,
as shown by fold_sequence_test1.zip in the vault.