Install clang-6.0-doc by entering the following commands in the terminal:
sudo apt update sudo apt install clang-6.0-doc
C, C++ and Objective-C compiler - Documentation
Clang project is a C, C++, Objective C and Objective C++ front-end based on the LLVM compiler. Its goal is to offer a replacement to the GNU Compiler Collection (GCC). . Clang implements all of the ISO C++ 1998, 11 and 14 standards and also provides most of the support of C++17. . This package contains the documentation.