Ludovic Courtès@dpk @krans Great that all this could be implemented on top of SRFI-9!
What’s missing though, and can hardly be added, is subtyping. Of the features listed on the wiki page you mention, that’s the one I would add.
SRFI-99 looks like a good compromise?
GNU social JP is a social network, courtesy of GNU social JP管理人. It runs on GNU social, version 2.0.2-dev, available under the GNU Affero General Public License.
All GNU social JP content and data are available under the Creative Commons Attribution 3.0 license.