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Linus Torvalds
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Add clang-format and clang-tidy configs
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‎.clang-format

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---
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Language: C
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IndentWidth: 4
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ColumnLimit: 80
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MaxEmptyLinesToKeep: 1
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# These are clang-format 13 features:
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LambdaBodyIndentation: Signature
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ReferenceAlignment: Left
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# These are clang-format 14 features:
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QualifierAlignment: Custom
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QualifierOrder: ['static', 'inline', 'constexpr', 'type', 'const', 'volatile' ]
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AlignArrayOfStructures: Right
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SeparateDefinitionBlocks: Always
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# These are clang-format 15 features:
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RequiresClausePosition: OwnLine
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InsertBraces: true
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IndentRequiresClause: true
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# These are clang-format 16 features:
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BreakAfterAttributes: Always
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RequiresExpressionIndentation: Keyword
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BreakBeforeInlineASMColon: Always
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# These are clang-format 17 features:
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# ----------------------------------
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BraceWrapping:
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AfterEnum: false
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AlignAfterOpenBracket: Align
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AlignConsecutiveAssignments: None
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AlignConsecutiveBitFields: AcrossEmptyLinesAndComments
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AlignConsecutiveDeclarations: None
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AlignEscapedNewlines: Left
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AlignOperands: Align
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AlignTrailingComments: true
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AllowAllArgumentsOnNextLine: true
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AllowAllConstructorInitializersOnNextLine: true
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AllowAllParametersOfDeclarationOnNextLine: true
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AllowShortEnumsOnASingleLine: false
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AllowShortBlocksOnASingleLine: Never
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AllowShortCaseLabelsOnASingleLine: false
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AllowShortFunctionsOnASingleLine: None
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AllowShortLambdasOnASingleLine: None
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AllowShortIfStatementsOnASingleLine: WithoutElse
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AllowShortLoopsOnASingleLine: false
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AlwaysBreakAfterDefinitionReturnType: None
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AlwaysBreakBeforeMultilineStrings: false
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AlwaysBreakTemplateDeclarations: Yes
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BinPackArguments: true
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BinPackParameters: true
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BreakBeforeBinaryOperators: None # This is broken until clang-format 14.
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BreakBeforeConceptDeclarations: true
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BreakBeforeBraces: Attach
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BreakBeforeInheritanceComma: false
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BreakInheritanceList: BeforeColon
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BreakBeforeTernaryOperators: true
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BreakConstructorInitializersBeforeComma: false
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BreakConstructorInitializers: BeforeColon
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BreakStringLiterals: true
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CompactNamespaces: false
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ConstructorInitializerAllOnOneLineOrOnePerLine: true
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Cpp11BracedListStyle: true
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DeriveLineEnding: false
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DerivePointerAlignment: false
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EmptyLineBeforeAccessModifier: Always
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ExperimentalAutoDetectBinPacking: false
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FixNamespaceComments: true
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SortIncludes: true
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IncludeBlocks: Regroup
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IncludeCategories:
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- Regex: '^<ext/.*\.hpp>'
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Priority: 2
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SortPriority: 0
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CaseSensitive: true
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- Regex: '^<.*\.hpp>'
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Priority: 1
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SortPriority: 0
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CaseSensitive: true
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- Regex: '^<.*\.tpp>'
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Priority: 1
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SortPriority: 0
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CaseSensitive: true
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- Regex: '^<.*'
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Priority: 2
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SortPriority: 0
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CaseSensitive: true
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- Regex: '.*'
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Priority: 3
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SortPriority: 0
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CaseSensitive: true
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IndentCaseLabels: true
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IndentCaseBlocks: true
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IndentGotoLabels: false
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IndentPPDirectives: None
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IndentExternBlock: AfterExternBlock
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IndentWrappedFunctionNames: false
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InsertTrailingCommas: None
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KeepEmptyLinesAtTheStartOfBlocks: false
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NamespaceIndentation: Inner
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PenaltyBreakAssignment: 2
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PenaltyBreakBeforeFirstCallParameter: 1
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PenaltyBreakComment: 300
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PenaltyBreakFirstLessLess: 120
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PenaltyBreakString: 1000
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PenaltyBreakTemplateDeclaration: 10
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PenaltyExcessCharacter: 1000000
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PenaltyReturnTypeOnItsOwnLine: 200
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PenaltyIndentedWhitespace: 0
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PointerAlignment: Left
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ReflowComments: true
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SortUsingDeclarations: true
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SpaceAfterCStyleCast: false
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SpaceAfterLogicalNot: false
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SpaceAfterTemplateKeyword: true
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SpaceBeforeAssignmentOperators: true
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SpaceBeforeCaseColon: false
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SpaceBeforeCpp11BracedList: false
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SpaceBeforeCtorInitializerColon: true
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SpaceBeforeInheritanceColon: true
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SpaceBeforeParens: ControlStatements
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SpaceAroundPointerQualifiers: Default
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SpaceBeforeRangeBasedForLoopColon: true
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SpaceInEmptyBlock: false
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SpaceInEmptyParentheses: false
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SpacesBeforeTrailingComments: 2
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SpacesInAngles: false
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SpacesInConditionalStatement: false
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SpacesInContainerLiterals: true
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SpacesInCStyleCastParentheses: false
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SpacesInParentheses: false
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SpacesInSquareBrackets: false
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SpaceBeforeSquareBrackets: false
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BitFieldColonSpacing: Both
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StatementMacros: ['defer']
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Standard: Auto
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UseCRLF: false
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UseTab: Never
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...

‎.clang-tidy

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---
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Checks: "bugprone-*,
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performance-*,
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modernize-*,
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readability-*,
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misc-*,
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# DISABLE SOME CHECKS:
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-bugprone-easily-swappable-parameters, # I'm on the fence about this.
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-bugprone-reserved-identifier, # libCat needs to make some of these.
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-performance-noexcept-move-constructor, # libCat doesn't have exceptions yet.
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-modernize-avoid-c-arrays, # They're needed in some low-level code.
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-modernize-use-auto, # I rather human judgement.
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-readability-magic-numbers, # I rather human judgement.
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-readability-identifier-length, # I rather human judgement.
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-readability-uppercase-literal-suffix, # I prefer lowercase.
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-readability-function-cognitive-complexity, # I don't trust this.
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-readability-convert-member-functions-to-static, # I rather human judgement.
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-readability-named-parameter, # I'm on the fence about this.
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-readability-function-cognitive-complexity, # I rather human judgement.
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-misc-non-private-member-variables-in-classes, # This seems very bad.
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-misc-unused-using-decls, # This isn't helpful for libraries.
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"
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WarningsAsErrors: ''
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HeaderFilterRegex: ^src
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AnalyzeTemporaryDtors: false
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FormatStyle: file
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CheckOptions:
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- { key: readability-identifier-naming.VariableCase, value: lower_case }
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- { key: readability-identifier-naming.MemberCase, value: lower_case }
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- { key: readability-identifier-naming.FunctionCase, value: lower_case }
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- { key: readability-identifier-naming.NamespaceCase, value: lower_case }
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- { key: readability-identifier-naming.StructCase, value: lower_case }
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- { key: readability-identifier-naming.ClassCase, value: lower_case }
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- { key: readability-identifier-naming.TypeAliasCase, value: lower_case }
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- { key: readability-identifier-naming.TypedefCase, value: lower_case }
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- { key: readability-identifier-naming.PointerParameterPrefix, value: p_ }
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- { key: readability-identifier-naming.LocalPointerPrefix, value: p_ }
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- { key: readability-identifier-naming.LocalConstantPointerPrefix, value: p_ }
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- { key: readability-identifier-naming.TemplateParameterIgnoredRegexp, value: '[A-Z]' }
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- { key: readability-identifier-naming.TypeAliasIgnoredRegexp, value: '[A-Z]' }
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- { key: readability-identifier-naming.TypedefIgnoredRegexp, value: '[A-Z]' }
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- { key: performance-unnecessary-value-param.AllowedTypes, value: string;span;io_vector }
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- { key: readability-operators-representation.BinaryOperators, value: '&&;&=;&;|;~;!;!=;||;|=;^;^=' }
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...

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