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Clang Format for Unreal Engine C++

Automatically format your Unreal Engine C++ as per Epic's Coding Standard.

The purpose of this repository is to provide a Clang-Format configuration for Unreal Engine C++ and instructions for how to use it.

Get the .clang-format file

.clang-format file

VS Code

1. Put the .clang-format file in the root of your project (or the engine root if you are working on the engine itself).
2. As long as you have Microsoft's C++ extension installed in VSCode you can now format with Shift+Alt+F. (If not, read here).

Optional: You can enable format on save for C++ by adding the following to your *.code-workspace file:

"settings": {
		"[c++]": {
			"editor.formatOnSave": true
		}
	},

Visual Studio

1. Go to the root of you project, File->Add New Item->ClangFormat File.
2. Copy+Paste the contents of the .clang-format from this repository into the newly generated .clang-format file.
3. You can now format files with Ctrl+K+D

Optional: You can enable format on save by installing this extension.

Limitations

1. Method chaining is not supported by clang-format and offers inconsistent results, especially inside of square brackets ([, ]) such as used extensively by Slate.
2. Single-line lambdas are incompatible with Allman-style brace wrapping and cannot be supported with the currently available ruleset.