@dthompson thanks for "Optimizing Guile Scheme" https://dthompson.us/posts/optimizing-guile-scheme.html
I found it while researching (gradual) static typing for #guile .
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.