Structures

A basic stack type implementing the LIFO principle - only the last inserted element can be accessed and removed.

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public struct Stack<Element>

extension Stack: Sequence

extension Stack: CustomDebugStringConvertible where Element: CustomDebugStringConvertible

A set of violations that can be used to filter newly detected violations.

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public struct Baseline : Equatable

A rule configuration that allows to disable (off) an option of a rule or specify its severity level in which case it’s active.

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public struct ChildOptionSeverityConfiguration<Parent: Rule>: RuleConfiguration,
                                                              AcceptableByConfigurationElement,
                                                              Sendable

A SwiftLint-interpretable command to modify SwiftLint’s behavior embedded as comments in source code.

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public struct Command : Equatable

A value describing a SwiftLint violation that was corrected.

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public struct Correction : Equatable, Sendable

Captures code and context information for an example of a triggering or non-triggering style

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public struct Example : Sendable

extension Example: Hashable

extension Example: Comparable

The placement of a segment of Swift in a collection of source files.

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public struct Location : CustomStringConvertible, Comparable, Codable, Sendable

A contiguous region of Swift source code.

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public struct Region : Equatable, Sendable

Description of a rule configuration.

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public struct RuleConfigurationDescription : Equatable, Sendable

extension RuleConfigurationDescription: Documentable

A single option of a RuleConfigurationDescription.

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public struct RuleConfigurationOption : Equatable, Sendable

extension RuleConfigurationOption: Documentable

A result builder creating configuration descriptions.

@resultBuilder
public struct RuleConfigurationDescriptionBuilder

A single parameter of a rule configuration.

Apply it to a simple (e.g. boolean) property like

@ConfigurationElement
var property = true

to add a (boolean) option to a configuration. The name of the option will be inferred from the name of the property. In this case, it’s just property. CamelCase names will translated into snake_case, i.e. myOption is going to be translated into my_option in the .swiftlint.yml configuration file.

This mechanism may be overwritten with an explicitly set key:

@ConfigurationElement(key: "foo_bar")
var property = true

If the wrapped element is an InlinableOptionType, there are three ways to represent it in the documentation:

1. It can be inlined into the parent configuration. For that, add the parameter inline: true. E.g. swift @ConfigurationElement(inline: true) var levels = SeverityLevelsConfiguration(warning: 1, error: 2) will be documented as a linear list: warning: 1 error: 2
2. It can be represented as a separate nested configuration. In this case, it must not have set the inline flag to true. E.g. swift @ConfigurationElement var levels = SeverityLevelsConfiguration(warning: 1, error: 2) will have a nested configuration section: levels: warning: 1 error: 2
3. As mentioned in the beginning, the implicit key inference mechanism can be overruled by specifying a key as in: swift @ConfigurationElement(key: "foo") var levels = SeverityLevelsConfiguration(warning: 1, error: 2) It will appear in the documentation as: foo: warning: 1 error: 2

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@propertyWrapper
public struct ConfigurationElement<T> : Equatable, Sendable where T : Equatable, T : Sendable, T : AcceptableByConfigurationElement

A rule configuration that allows specifying the desired severity level for violations.

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public struct SeverityConfiguration<Parent> : SeverityBasedRuleConfiguration, InlinableOptionType, Sendable where Parent : Rule

A detailed description for a SwiftLint rule. Used for both documentation and testing purposes.

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public struct RuleDescription : Equatable, Sendable

A list of available SwiftLint rules.

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public struct RuleList

extension RuleList: Equatable

A configuration parameter for rules.

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@preconcurrency
public struct RuleParameter<T> : Equatable, Sendable where T : Equatable, T : Sendable

A value describing an instance of Swift source code that is considered invalid by a SwiftLint rule.

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public struct StyleViolation : CustomStringConvertible, Codable, Hashable

Represents a Swift file’s syntax information.

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public struct SwiftLintSyntaxMap

A SwiftLint-aware Swift syntax token.

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public struct SwiftLintSyntaxToken

A value describing the version of the Swift compiler.

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public struct SwiftVersion : RawRepresentable, Codable, VersionComparable, Sendable

A violation produced by ViolationsSyntaxVisitors.

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public struct ReasonedRuleViolation : Comparable, Hashable

A rule configuration used for defining custom rules in yaml.

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public struct RegexConfiguration<Parent: Rule>: SeverityBasedRuleConfiguration, Hashable,
                                                CacheDescriptionProvider, InlinableOptionType

A rule configuration that allows specifying thresholds for warning and error severities.

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public struct SeverityLevelsConfiguration<Parent> : RuleConfiguration, InlinableOptionType, Sendable where Parent : Rule

extension SeverityLevelsConfiguration: SeverityLevelsBasedRuleConfiguration