On: Show HN: SuperString – A fast and memory-optimized string library for C++

[therein]

Looking at the commit history on the project [0] (and inadvertently digging a bit deeper into the OP's StackOverflow reply history to notice that all are advertising his non-production ready projects) certainly gives a similar vibe. :)

[0] https://github.com/btwael/SuperString/commits/master