Following is a C++ std document. The document number is N3721, which superseded the older N3634.
Obviously, it's easy to track older documents of given topic.
However, my question is:
How to track newer documents of given topic?
For example, if N3721 is superseded by a newer document, how to track the newer one?
For the newer proposals (ones that start with the letter P
) you can use wg21.link redirect service to obtain the latest document:
wg21.link - WG21 redirect service. Usage: wg21.link/nXXXX wg21.link/pXXXXrX Get paper. wg21.link/pXXXX Get latest public revision of paper. wg21.link/std wg21.link/std{11,14,17} Get working draft. wg21.link/cwgXXX wg21.link/ewgXXX wg21.link/lwgXXX wg21.link/lewgXXX wg21.link/fsXXX wg21.link/editXXX Get issue. wg21.link/pXXXX/issue Get issue for paper. wg21.link/*wgXXX/paper Get paper for issue. wg21.link/index.json wg21.link/index.ndjson wg21.link/index.txt wg21.link/specref.json Get everything. wg21.link/ Get usage. wg21.link/<something else> Get 404. If you're Slackbot or Twitterbot: Get OpenGraph metadata instead.
For example for P0476: Bit-casting object representations
if we use wg21.link/P0476 we obtain the latest version which is P0476R2.
In my answer to How does the standards committee indicate the status of a paper under consideration? I go into more details of the WG21 site and what documents you can find there.
If we use the wg21 redirect service Get Everything link we can do a text search for the paper title. So for your example Improvements to std::future<T> and Related APIs
we can see the last document is N3857:
"N3857": {
"type": "paper",
"title": "Improvements to std::future and Related APIs",
"subgroup": "Concurrency",
"author": "N. Gustafsson, A. Laksberg, H. Sutter, S. Mithani",
"long_link": "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/n3857.pdf",
"link": "https://wg21.link/n3857",
"source": "http://www.open-std.org/jtc1/sc22/wg21/docs/papers/2014/",
"date": "2014-01-16"
},
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