clang-11 - 1:11.0.1-2~deb10u1 main

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).
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Clang implements all of the ISO C++ 1998, 11, 14 and 17 standards and also
provides most of the support of C++20.