Fix unused variables in test #354
clang-c++20.yml
on: push
Matrix: Clang C++20 Linux - No STL - Force C++03
Matrix: Clang C++20 Linux - No STL
Matrix: Clang C++20 Linux - STL - Force C++03
Matrix: Clang C++20 OSX - No STL - Force C++03
Matrix: Clang C++20 OSX - No STL
Matrix: Clang C++20 OSX - STL - Force C++03
Matrix: Clang C++20 OSX - STL