https://lists.boost.org/archives/list/boost@lists.boost.org/thread/KJM6Z67ZWX4EZIKWSA2S6LPMHMYAWMR6/?sort=date
Boost.Sort library hierarchy and namespacing - Boost - lists.boost.org
boostsortlibraryhierarchynamespacing
https://freestudy247.com/courses/development-web-development-vuex-vue-the-complete-guide-incl-router-composition-api/lesson/014-namespacing-modules/
014 Namespacing Modules - Free IT Course Platform
it coursenamespacingmodulesfreeplatform