libc++ was open sourced May 11th 2010. 13 years ago. https://blog.llvm.org/2010/05/new-libc-c-standard-library.html https://blog.llvm.org/2010/05/new-libc-c-sta

libc++ was open sourced May 11th 2010. 13 years ago. https://blog.llvm.org/2010/05/new-libc-c-standard-library.html https://blog.llvm.org/2010/05/new-libc-c-standard-library.ht...