This page is a snapshot from the LWG issues list, see the Library Active Issues List for more information and the meaning of NAD Concepts status.
1186. Forward list could model a stackSection: 23.6.6 [stack] Status: NAD Concepts Submitter: Alisdair Meredith Opened: 2009-07-31 Last modified: 2016-01-28
Priority: Not Prioritized
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View all issues with NAD Concepts status.
Discussion:
The library template forward_list could easily model the idea of a stack, where the operations work on the front of the list rather than the back. However, the standard library stack adaptor cannot support this.
It would be relatively easy to write a partial specialization for stack to support forward_list, but that opens the question of which header to place it in. A much better solution would be to add a concept_map for the StackLikeContainer concept to the <forward_list> header and then everything just works, including a user's own further uses in a stack-like context.
Therefore while I am submitting the issue now so that it is on record, I strongly recommend we resolve as "NAD Concepts" as any non-concepts based solution will be inferior to the final goal, and the feature is not so compelling it must be supported ahead of the concepts-based library.
[ 2009-11-02 Howard adds: ]
Moved to Tentatively NAD Concepts after 5 positive votes on c++std-lib.
Rationale:
Any non-concepts based solution will be inferior to the final goal, and the feature is not so compelling it must be supported ahead of the concepts-based library.
Proposed resolution:
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