clang-format tool usage

clang-format tools cheat sheet, this tool aim at

• keep code style consistent
• auto check and format code

docs

https://clang.llvm.org/docs/ClangFormat.html

download

# mac
brew install llvm

usage

# generate style file .clang-format, style can be [gnu, llvm, google, Mozilla, WebKit]
clang-format -style=WebKit -dump-config > .clang-format

# modify file directly
clang-format -i main.cpp

# modify git current staged changes
git clang-format

# modify most recently git commit
git clang-format HEAD~1

# in CI compare
clang-format --diff <before commit> <after commit>