Use Clang-format with vscode in Arch Linux
1. install clang-format executable
`sudo pacman -S clang`
2. generate configurations for clang-format
`/usr/bin/clang-format -style=llvm -dump-config > ~/.clang-format`
3. make some changes at `~/.clang-format`
4. install vscode `clang-format` extension
`sudo pacman -S clang`
2. generate configurations for clang-format
`/usr/bin/clang-format -style=llvm -dump-config > ~/.clang-format`
3. make some changes at `~/.clang-format`
4. install vscode `clang-format` extension