A clang-format configuration for c++ with rust style (as possible).

.clang-format

AccessModifierOffset: -4
AlignAfterOpenBracket: AlwaysBreak # XXX: prefer `BlockIndent` but not supported on clang-format 13.0.
# AlignArrayOfStructures: None     # clang-format 13
AlignConsecutiveAssignments: None
AlignConsecutiveBitFields: None
AlignConsecutiveDeclarations: None
AlignConsecutiveMacros: None
AlignEscapedNewlines: Right # XXX
AlignOperands: AlignAfterOperator
AlignTrailingComments: true
AllowAllArgumentsOnNextLine: false
AllowAllParametersOfDeclarationOnNextLine: false
AllowShortBlocksOnASingleLine: Empty
AllowShortCaseLabelsOnASingleLine: false # XXX
AllowShortEnumsOnASingleLine: true # XXX: changing this to false will cause enum brace wrapping.
AllowShortFunctionsOnASingleLine: Empty
AllowShortIfStatementsOnASingleLine: Never
AllowShortLambdasOnASingleLine: Empty
AllowShortLoopsOnASingleLine: false
AlwaysBreakAfterReturnType: None
AlwaysBreakBeforeMultilineStrings: false
AlwaysBreakTemplateDeclarations: Yes
AttributeMacros: []
BinPackArguments: false      # XXX
BinPackParameters: false     # XXX
BitFieldColonSpacing: Before # XXX
BraceWrapping: {}
BreakAfterJavaFieldAnnotations: true
BreakBeforeBinaryOperators: NonAssignment
BreakBeforeBraces: Attach
BreakBeforeConceptDeclarations: false # XXX
BreakBeforeTernaryOperators: true
BreakConstructorInitializers: BeforeColon # XXX
BreakInheritanceList: BeforeColon         # XXX
BreakStringLiterals: false
ColumnLimit: 100
CommentPragmas: ''
CompactNamespaces: false
ConstructorInitializerIndentWidth: 0 # XXX
ContinuationIndentWidth: 4           # XXX
Cpp11BracedListStyle: true
DeriveLineEnding: false
DerivePointerAlignment: false
DisableFormat: false
# EmptyLineAfterAccessModifier: Never # clang-format 14
EmptyLineBeforeAccessModifier: LogicalBlock
ExperimentalAutoDetectBinPacking: true # XXX: experimental
FixNamespaceComments: true
ForEachMacros: []
# IfMacros: [] # clang-format 14
IncludeBlocks: Regroup # XXX
IncludeCategories:
  - Regex: '^<.*\.h>'
    Priority: 1
  - Regex: '^<.*'
    Priority: 2
  - Regex: '.*'
    Priority: 3
IncludeIsMainRegex: '(_test)?$'
IncludeIsMainSourceRegex: ''
# IndentAccessModifiers: false # clang-format 13
IndentCaseBlocks: false
IndentCaseLabels: true
IndentExternBlock: NoIndent
IndentGotoLabels: false
IndentPPDirectives: None
IndentRequires: true
IndentWidth: 4
IndentWrappedFunctionNames: false # XXX
InsertTrailingCommas: Wrapped
JavaImportGroups: []
JavaScriptQuotes: Leave
JavaScriptWrapImports: true
KeepEmptyLinesAtTheStartOfBlocks: false
# LambdaBodyIndentation: Signature # clang-format 13
Language: Cpp
MacroBlockBegin: ''
MacroBlockEnd: ''
MaxEmptyLinesToKeep: 1
NamespaceIndentation: None
NamespaceMacros: []
# ObjCBinPackProtocolList: Auto
# ObjCBlockIndentWidth: 4
# ObjCBreakBeforeNestedBlockParam: false
# ObjCSpaceAfterProperty: false
# ObjCSpaceBeforeProtocolList: false
# PPIndentWidth: 0                   # clang-format 14
# PackConstructorInitializers: Never # XXX, clang-format 14
# PenaltyBreakAssignment:
# PenaltyBreakBeforeFirstCallParameter:
# PenaltyBreakComment:
# PenaltyBreakFirstLessLess:
# PenaltyBreakOpenParenthesis:
# PenaltyBreakString:
# PenaltyBreakTemplateDeclaration:
# PenaltyExcessCharacter:
# PenaltyIndentedWhitespace:
# PenaltyReturnTypeOnItsOwnLine:
PointerAlignment: Left
# QualifierAlignment: Left                                           # clang-format 14
# QualifierOrder: ['inline', 'static', 'type', 'const', 'volatile' ] # clang-format 14
# ReferenceAlignment: Left                                           # clang-format 14
RawStringFormats: []
ReflowComments: false
# RemoveBracesLLVM: false          # clang-format 14
# SeparateDefinitionBlocks: Always # clang-format 14
# ShortNamespaceLines: 0           # clang-format 14
SortIncludes: true
SortJavaStaticImport: Before
SortUsingDeclarations: true
SpaceAfterCStyleCast: false
SpaceAfterLogicalNot: false
SpaceAfterTemplateKeyword: false
SpaceAroundPointerQualifiers: Default
SpaceBeforeAssignmentOperators: true
SpaceBeforeCaseColon: false
SpaceBeforeCpp11BracedList: true # XXX
SpaceBeforeCtorInitializerColon: true
SpaceBeforeInheritanceColon: true
SpaceBeforeParens: ControlStatements
# SpaceBeforeParensOptions: {} # clang-format 14
SpaceBeforeRangeBasedForLoopColon: true
SpaceBeforeSquareBrackets: false
SpaceInEmptyBlock: false
SpaceInEmptyParentheses: false
SpacesBeforeTrailingComments: 1
SpacesInAngles: false
SpacesInCStyleCastParentheses: false
SpacesInConditionalStatement: false
SpacesInContainerLiterals: false
# SpacesInLineCommentPrefix: -1 # clang-format 14
SpacesInParentheses: false
SpacesInSquareBrackets: false
Standard: c++17 # XXX
StatementAttributeLikeMacros: []
StatementMacros: []
TabWidth: 4
TypenameMacros: []
UseCRLF: false
UseTab: Never
WhitespaceSensitiveMacros: []