A list of attributes that can be attached to a declaration.
struct AttributeListSyntaxAn element in this collection can either be an attribute itself or an IfConfigDeclSyntax that contains attributes. This is because attributes can be added conditional on compilcation conditions, for example.
#if !DISABLE_DEPRECATIONS
@available(*, deprecated)
#endif
func myFunction() {}(AttributeSyntax | IfConfigDeclSyntax) *
import SwiftSyntaxA library for working with Swift code.
struct IfConfigDeclSyntaxstruct AttributeSyntaxAn @ attribute.
struct AccessorDeclSyntaxvar attributes: AttributeListSyntax { get set }struct ActorDeclSyntaxvar attributes: AttributeListSyntax { get set }struct AssociatedTypeDeclSyntaxAn associatedtype declaration
var attributes: AttributeListSyntax { get set }Attributes attached to the associated type declaration.
struct AttributedTypeSyntaxvar attributes: AttributeListSyntax { get set }A list of attributes that can be attached to the type, such as @escaping.
struct ClassDeclSyntaxA class declaration
var attributes: AttributeListSyntax { get set }Attributes attached to the class declaration, such as an @available attribute.
struct ClosureParameterSyntaxvar attributes: AttributeListSyntax { get set }struct ClosureSignatureSyntaxvar attributes: AttributeListSyntax { get set }struct DeinitializerDeclSyntaxA deint declaration
var attributes: AttributeListSyntax { get set }Attributes that are attached to the deinitializer.
struct EditorPlaceholderDeclSyntaxAn editor placeholder, e.g. <#declaration#> that is used in a position that expects a declaration.
var attributes: AttributeListSyntax { get set }If there were attributes before the editor placeholder, the EditorPlaceholderDeclSyntax will contain these.
struct EnumCaseDeclSyntaxA case declaration of a Swift enum. It can have 1 or more EnumCaseElements inside, each declaring a different case of the enum.
var attributes: AttributeListSyntax { get set }The attributes applied to the case declaration.
struct EnumDeclSyntaxA Swift enum declaration.
var attributes: AttributeListSyntax { get set }The attributes applied to the enum declaration.
struct ExtensionDeclSyntaxvar attributes: AttributeListSyntax { get set }struct FunctionDeclSyntaxvar attributes: AttributeListSyntax { get set }struct FunctionParameterSyntaxvar attributes: AttributeListSyntax { get set }struct GenericParameterSyntaxvar attributes: AttributeListSyntax { get set }struct IfConfigClauseSyntaxvar elements: Elements? { get set }struct ImportDeclSyntaxAn import declaration
var attributes: AttributeListSyntax { get set }Attributes attached to the import declaration, for example @testable.
struct InitializerDeclSyntaxAn init declaration
var attributes: AttributeListSyntax { get set }Attributes that are attached to the initializer.
struct MacroDeclSyntaxvar attributes: AttributeListSyntax { get set }struct MacroExpansionDeclSyntaxThe expansion of a freestanding macro in a position that expects a declaration.
var attributes: AttributeListSyntax { get set }struct MissingDeclSyntaxIn case the source code is missing a declaration, this node stands in place of the missing declaration.
var attributes: AttributeListSyntax { get set }If there were standalone attributes without a declaration to attach them to, the MissingDeclSyntax will contain these.
struct PrecedenceGroupDeclSyntaxA Swift precedencegroup declaration.
var attributes: AttributeListSyntax { get set }The attributes applied to the ‘precedencegroup’ declaration.
struct ProtocolDeclSyntaxA protocol declaration
var attributes: AttributeListSyntax { get set }Attributes attached to the protocol declaration, such as an @available attribute.
struct StructDeclSyntaxA struct declaration
var attributes: AttributeListSyntax { get set }Attributes that are attached to the struct declaration.
struct SubscriptDeclSyntaxvar attributes: AttributeListSyntax { get set }struct TypeAliasDeclSyntaxvar attributes: AttributeListSyntax { get set }struct VariableDeclSyntaxDeclaration of one or more variables
var attributes: AttributeListSyntax { get set }struct BackDeployedAttributeArgumentsSyntaxA collection of arguments for the @backDeployed attribute
struct ConventionAttributeArgumentsSyntaxThe arguments for the ‘@convention(…)’.
struct ConventionWitnessMethodAttributeArgumentsSyntaxThe arguments for the ‘@convention(witness_method: …)’.
struct DerivativeAttributeArgumentsSyntaxThe arguments for the ‘@derivative(of:)’ and ‘@transpose(of:)’ attributes: the ‘of:’ label, the original declaration name, and an optional differentiability parameter list.
struct DifferentiabilityArgumentListSyntaxstruct DifferentiabilityArgumentSyntaxA differentiability argument: either the “self” identifier, a function parameter name, or a function parameter index.
struct DifferentiabilityArgumentsSyntaxThe differentiability arguments.
struct DifferentiabilityWithRespectToArgumentSyntaxA clause containing differentiability parameters.
struct DifferentiableAttributeArgumentsSyntaxThe arguments for the @differentiable attribute: an optional differentiability kind, an optional differentiability parameter clause, and an optional ‘where’ clause.
struct DocumentationAttributeArgumentListSyntaxThe arguments of the ‘@_documentation’ attribute
struct DocumentationAttributeArgumentSyntaxstruct DynamicReplacementAttributeArgumentsSyntaxThe arguments for the ‘@_dynamicReplacement’ attribute
struct EffectsAttributeArgumentListSyntaxThe arguments of the ‘@_effects’ attribute. These will be parsed during the SIL stage.
struct ExposeAttributeArgumentsSyntaxThe arguments for the ‘@_expose’ attribute
struct ImplementsAttributeArgumentsSyntaxThe arguments for the @_implements attribute of the form Type, methodName(arg1Label:arg2Label:)
struct LabeledSpecializeArgumentSyntaxA labeled argument for the @_specialize attribute like exported: true
struct ObjCSelectorPieceListSyntaxstruct ObjCSelectorPieceSyntaxA piece of an Objective-C selector. Either consisting of just an identifier for a nullary selector, an identifier and a colon for a labeled argument or just a colon for an unlabeled argument
struct OpaqueReturnTypeOfAttributeArgumentsSyntaxThe arguments for the ‘@_opaqueReturnTypeOf()’.
struct OriginallyDefinedInAttributeArgumentsSyntaxThe arguments for the ‘@_originallyDefinedIn’ attribute
struct PlatformVersionItemListSyntaxstruct PlatformVersionItemSyntaxA single platform/version pair in an attribute, e.g. iOS 10.1.
struct SpecializeAttributeArgumentListSyntaxA collection of arguments for the @_specialize attribute
struct SpecializeAvailabilityArgumentSyntaxThe availability argument for the _specialize attribute
struct SpecializeTargetFunctionArgumentSyntaxA labeled argument for the @_specialize attribute with a function decl value like target: myFunc(_:)
struct UnavailableFromAsyncAttributeArgumentsSyntaxThe arguments for the ‘@_unavailableFromAsync’ attribute
struct UnderscorePrivateAttributeArgumentsSyntaxThe arguments for the ‘@_private’ attribute
protocol BidirectionalCollection<Element> : Collection where Self.Indices : BidirectionalCollection, Self.SubSequence : BidirectionalCollectionA collection that supports backward as well as forward traversal.
protocol Collection<Element> : SequenceA sequence whose elements can be traversed multiple times, nondestructively, and accessed by an indexed subscript.
protocol CustomDebugStringConvertibleA type with a customized textual representation suitable for debugging purposes.
protocol CustomReflectableA type that explicitly supplies its own mirror.
protocol CustomStringConvertibleA type with a customized textual representation.
protocol EquatableA type that can be compared for value equality.
protocol ExpressibleByArrayLiteralA type that can be initialized using an array literal.
protocol Hashable : EquatableA type that can be hashed into a Hasher to produce an integer hash value.
protocol Sendableprotocol Sequence<Element>A type that provides sequential, iterated access to its elements.
protocol SyntaxCollection : BidirectionalCollection, ExpressibleByArrayLiteral, SyntaxProtocol where Self.Element : SyntaxProtocol, Self.Index == SyntaxChildrenIndexprotocol SyntaxHashable : HashableProtocol that provides a common Hashable implementation for all syntax nodes
protocol SyntaxProtocol : CustomDebugStringConvertible, CustomReflectable, CustomStringConvertible, Sendable, TextOutputStreamableProvide common functionality for specialized syntax nodes. Extend this protocol to provide common functionality for all syntax nodes.
protocol TextOutputStreamableA source of text-streaming operations.
init?(_ node: some SyntaxProtocol) static let syntaxKind: SyntaxKindlet _syntaxNode: Syntaxenum Elementinit<Children>(_ children: Children) where Children : Sequence, Self.Element == Children.Element init?<S>(_ node: S?) where S : SyntaxProtocol Initializes a new instance of the conforming type from a given specialized syntax node.
init(arrayLiteral elements: Element...) static var structure: SyntaxNodeStructure { get }var count: Int { get }The number of elements, present or missing, in this collection.
var customMirror: Mirror { get }var debugDescription: String { get }A simple description of this node (ie. its type).
var description: String { get }A source-accurate description of this node.
var detached: Self { get }Return this subtree with this node as the root, ie. detach this node from its parent.
var endIndex: SyntaxChildrenIndex { get }var endPosition: AbsolutePosition { get }The end position of this node, including its trivia.
var endPositionBeforeTrailingTrivia: AbsolutePosition { get }The end position of this node’s content, before any trailing trivia.
var first: Self.Element? { get }The first element of the collection.
var hasError: Bool { get }Whether the tree contained by this layout has any
var hasMaximumNestingLevelOverflow: Bool { get }var hasParent: Bool { get }Whether or not this node has a parent.
var hasSequenceExpr: Bool { get }Whether this tree contains a missing token or unexpected node.
var hasWarning: Bool { get }Whether the tree contained by this layout has any tokens with a TokenDiagnostic of severity warning.
var id: SyntaxIdentifier { get }Returns a value representing the unique identity of the node.
var indices: DefaultIndices<Self> { get }The indices that are valid for subscripting the collection, in ascending order.
var isEmpty: Bool { get }A Boolean value indicating whether the collection is empty.
var keyPathInParent: AnyKeyPath? { get }var kind: SyntaxKind { get }The kind of the syntax node, e.g. if it is a functionDecl.
var last: Self.Element? { get }The last element of the collection.
var lazy: LazySequence<Self> { get }A sequence containing the same elements as this sequence, but on which some operations, such as map and filter, are implemented lazily.
var leadingTrivia: Trivia { get set }The leading trivia of this syntax node.
var leadingTriviaLength: SourceLength { get }The length this node’s leading trivia takes up spelled out in source.
var parent: Syntax? { get }The parent of this syntax node, or nil if this node is the root.
var position: AbsolutePosition { get }The absolute position of the starting point of this node. If the first token is with leading trivia, the position points to the start of the leading trivia.
var positionAfterSkippingLeadingTrivia: AbsolutePosition { get }The absolute position of the starting point of this node, skipping any leading trivia attached to the first token syntax.
var raw: RawSyntax { get }var root: Syntax { get }The root of the tree in which this node resides.
var startIndex: SyntaxChildrenIndex { get }var syntaxNodeType: SyntaxProtocol.Type { get }The dynamic metatype of the concrete node.
var syntaxTextBytes: [UInt8] { get }Retrieve the syntax text as an array of bytes that models the input source even in the presence of invalid UTF-8.
var totalByteRange: ByteSourceRange { get }The byte source range of this node including leading and trailing trivia.
var totalLength: SourceLength { get }The length of this node including all of its trivia.
var trailingTrivia: Trivia { get set }The trailing trivia of this syntax node.
var trailingTriviaLength: SourceLength { get }The length this node’s trailing trivia takes up spelled out in source.
var trimmed: Self { get }A copy of this node without the leading trivia of the first token in the node and the trailing trivia of the last token in the node.
var trimmedByteRange: ByteSourceRange { get }The byte source range of this node excluding leading and trailing trivia.
var trimmedDescription: String { get }The description of this node with leading whitespace of the first token and trailing whitespace of the last token removed.
var trimmedLength: SourceLength { get }The length this node takes up spelled out in the source, excluding its leading or trailing trivia.
var underestimatedCount: Int { get }A value less than or equal to the number of elements in the collection.
subscript(position: SyntaxChildrenIndex) -> Element { get set } static func != (lhs: Self, rhs: Self) -> Bool Returns a Boolean value indicating whether two values are not equal.
static func + (lhs: some Sequence<Element>, rhs: Self) -> Self Creates a new collection by concatenating the elements of a sequence and a collection.
static func + (lhs: some RangeReplaceableCollection<Element>, rhs: Self) -> Self Creates a new collection by concatenating the elements of a sequence and a collection.
static func + (lhs: Self, rhs: some Sequence<Element>) -> Self Creates a new collection by concatenating the elements of a collection and a sequence.
static func + (lhs: Self, rhs: some RangeReplaceableCollection<Element>) -> Self Creates a new collection by concatenating the elements of a collection and a sequence.
static func += (lhs: inout Self, rhs: some Sequence<Element>) Appends the elements of a sequence to a range-replaceable collection.
static func == (lhs: Self, rhs: Self) -> Bool func allSatisfy(_ predicate: (Self.Element) throws -> Bool) rethrows -> Bool Returns a Boolean value indicating whether every element of a sequence satisfies a given predicate.
mutating func append(_ newElement: Element) Adds an element to the end of the collection.
mutating func append(contentsOf newElements: some Sequence<Element>) Adds the elements of a sequence to the end of this collection.
func `as`<S>(_ syntaxType: S.Type) -> S? where S : SyntaxProtocol Attempts to cast the current syntax node to a given specialized syntax type.
func asProtocol(_: MissingNodeSyntax.Protocol) -> MissingNodeSyntax? Return the non-type erased version of this syntax node if it conforms to MissingNodeSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: ParenthesizedSyntax.Protocol) -> ParenthesizedSyntax? Return the non-type erased version of this syntax node if it conforms to ParenthesizedSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithCodeBlockSyntax.Protocol) -> WithCodeBlockSyntax? Return the non-type erased version of this syntax node if it conforms to WithCodeBlockSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithModifiersSyntax.Protocol) -> WithModifiersSyntax? Return the non-type erased version of this syntax node if it conforms to WithModifiersSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithAttributesSyntax.Protocol) -> WithAttributesSyntax? Return the non-type erased version of this syntax node if it conforms to WithAttributesSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithStatementsSyntax.Protocol) -> WithStatementsSyntax? Return the non-type erased version of this syntax node if it conforms to WithStatementsSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: EffectSpecifiersSyntax.Protocol) -> EffectSpecifiersSyntax? Return the non-type erased version of this syntax node if it conforms to EffectSpecifiersSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithTrailingCommaSyntax.Protocol) -> WithTrailingCommaSyntax? Return the non-type erased version of this syntax node if it conforms to WithTrailingCommaSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithGenericParametersSyntax.Protocol) -> WithGenericParametersSyntax? Return the non-type erased version of this syntax node if it conforms to WithGenericParametersSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: WithOptionalCodeBlockSyntax.Protocol) -> WithOptionalCodeBlockSyntax? Return the non-type erased version of this syntax node if it conforms to WithOptionalCodeBlockSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: FreestandingMacroExpansionSyntax.Protocol) -> FreestandingMacroExpansionSyntax? Return the non-type erased version of this syntax node if it conforms to FreestandingMacroExpansionSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: BracedSyntax.Protocol) -> BracedSyntax? Return the non-type erased version of this syntax node if it conforms to BracedSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: DeclGroupSyntax.Protocol) -> DeclGroupSyntax? Return the non-type erased version of this syntax node if it conforms to DeclGroupSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func asProtocol(_: NamedDeclSyntax.Protocol) -> NamedDeclSyntax? Return the non-type erased version of this syntax node if it conforms to NamedDeclSyntax. Otherwise return nil. Note that this will incur an existential conversion.
func cast<S>(_ syntaxType: S.Type) -> S where S : SyntaxProtocol Force-casts the current syntax node to a given specialized syntax type.
func children(viewMode: SyntaxTreeViewMode) -> SyntaxChildren A sequence over the children of this node.
func compactMap<ElementOfResult>(_ transform: (Self.Element) throws -> ElementOfResult?) rethrows -> [ElementOfResult] Returns an array containing the non-nil results of calling the given transformation with each element of this sequence.
func contains(_ element: Self.Element) -> Bool Returns a Boolean value indicating whether the sequence contains the given element.
func contains(where predicate: (Self.Element) throws -> Bool) rethrows -> Bool Returns a Boolean value indicating whether the sequence contains an element that satisfies the given predicate.
func count<E>(where predicate: (Self.Element) throws(E) -> Bool) throws(E) -> Int where E : Error Returns the number of elements in the sequence that satisfy the given predicate.
func debugDescription(includeTrivia: Bool = false, converter: SourceLocationConverter? = nil, mark: SyntaxProtocol? = nil, indentString: String = "") -> String Returns a summarized dump of this node.
func difference<C>(from other: C) -> CollectionDifference<Self.Element> where C : BidirectionalCollection, Self.Element == C.Element Returns the difference needed to produce this collection’s ordered elements from the given collection.
func difference<C>(from other: C, by areEquivalent: (C.Element, Self.Element) -> Bool) -> CollectionDifference<Self.Element> where C : BidirectionalCollection, Self.Element == C.Element Returns the difference needed to produce this collection’s ordered elements from the given collection, using the given predicate as an equivalence test.
func distance(from start: SyntaxChildrenIndex, to end: SyntaxChildrenIndex) -> Int func drop(while predicate: (Self.Element) throws -> Bool) rethrows -> Self.SubSequence Returns a subsequence by skipping elements while predicate returns true and returning the remaining elements.
func dropFirst(_ k: Int = 1) -> Self.SubSequence Returns a subsequence containing all but the given number of initial elements.
func dropLast(_ k: Int) -> Self.SubSequence Returns a subsequence containing all but the specified number of final elements.
func elementsEqual<OtherSequence>(_ other: OtherSequence) -> Bool where OtherSequence : Sequence, Self.Element == OtherSequence.Element Returns a Boolean value indicating whether this sequence and another sequence contain the same elements in the same order.
func elementsEqual<OtherSequence>(_ other: OtherSequence, by areEquivalent: (Self.Element, OtherSequence.Element) throws -> Bool) rethrows -> Bool where OtherSequence : Sequence Returns a Boolean value indicating whether this sequence and another sequence contain equivalent elements in the same order, using the given predicate as the equivalence test.
func endLocation(converter: SourceLocationConverter, afterTrailingTrivia: Bool = false) -> SourceLocation The ending location, in the provided file, of this Syntax node.
func enumerated() -> EnumeratedSequence<Self> Returns a sequence of pairs (n, x), where n represents a consecutive integer starting at zero and x represents an element of the sequence.
func filter(_ isIncluded: (Element) throws -> Bool) rethrows -> Self Returns a new SyntaxCollection that just contains the elements satisfying the given predicate.
func first(where predicate: (Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the first element of the sequence that satisfies the given predicate.
func firstIndex(of element: Self.Element) -> Self.Index? Returns the first index where the specified value appears in the collection.
func firstIndex(where predicate: (Self.Element) throws -> Bool) rethrows -> Self.Index? Returns the first index in which an element of the collection satisfies the given predicate.
func firstRange<C>(of other: C) -> Range<Self.Index>? where C : Collection, Self.Element == C.Element Finds and returns the range of the first occurrence of a given collection within this collection.
func firstToken(viewMode: SyntaxTreeViewMode) -> TokenSyntax? Returns the first token node that is part of this syntax node.
func flatMap<SegmentOfResult>(_ transform: (Self.Element) throws -> SegmentOfResult) rethrows -> [SegmentOfResult.Element] where SegmentOfResult : Sequence Returns an array containing the concatenated results of calling the given transformation with each element of this sequence.
func forEach(_ body: (Self.Element) throws -> Void) rethrows Calls the given closure on each element in the sequence in the same order as a for-in loop.
func formIndex(_ i: inout Self.Index, offsetBy distance: Int) Offsets the given index by the specified distance.
func formIndex(_ i: inout Self.Index, offsetBy distance: Int, limitedBy limit: Self.Index) -> Bool Offsets the given index by the specified distance, or so that it equals the given limiting index.
func formIndex(after i: inout Self.Index) Replaces the given index with its successor.
func formIndex(before i: inout Self.Index) func hash(into hasher: inout Hasher) func index(_ i: Self.Index, offsetBy distance: Int) -> Self.Index func index(_ i: Self.Index, offsetBy distance: Int, limitedBy limit: Self.Index) -> Self.Index? func index(after index: SyntaxChildrenIndex) -> SyntaxChildrenIndex func index(at offset: Int) -> SyntaxChildrenIndex Returns the index of the n-th element in this collection.
func index(before index: SyntaxChildrenIndex) -> SyntaxChildrenIndex func index(of node: Element) -> SyntaxChildrenIndex? Return the index of node within this collection.
func indices(of element: Self.Element) -> RangeSet<Self.Index> Returns the indices of all the elements that are equal to the given element.
func indices(where predicate: (Self.Element) throws -> Bool) rethrows -> RangeSet<Self.Index> Returns the indices of all the elements that match the given predicate.
mutating func insert(_ newElement: Element, at i: Index) Inserts a new element into the collection at the specified position.
mutating func insert(contentsOf newElements: some Collection<Element>, at i: Index) Inserts the elements of a sequence into the collection at the specified position.
func `is`<S>(_ syntaxType: S.Type) -> Bool where S : SyntaxProtocol Checks if the current syntax node can be cast to a given specialized syntax type.
func isProtocol(_: MissingNodeSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to MissingNodeSyntax. Note that this will incur an existential conversion.
func isProtocol(_: ParenthesizedSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to ParenthesizedSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithCodeBlockSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithCodeBlockSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithModifiersSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithModifiersSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithAttributesSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithAttributesSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithStatementsSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithStatementsSyntax. Note that this will incur an existential conversion.
func isProtocol(_: EffectSpecifiersSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to EffectSpecifiersSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithTrailingCommaSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithTrailingCommaSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithGenericParametersSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithGenericParametersSyntax. Note that this will incur an existential conversion.
func isProtocol(_: WithOptionalCodeBlockSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to WithOptionalCodeBlockSyntax. Note that this will incur an existential conversion.
func isProtocol(_: FreestandingMacroExpansionSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to FreestandingMacroExpansionSyntax. Note that this will incur an existential conversion.
func isProtocol(_: BracedSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to BracedSyntax. Note that this will incur an existential conversion.
func isProtocol(_: DeclGroupSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to DeclGroupSyntax. Note that this will incur an existential conversion.
func isProtocol(_: NamedDeclSyntax.Protocol) -> Bool Check whether the non-type erased version of this syntax node conforms to NamedDeclSyntax. Note that this will incur an existential conversion.
func last(where predicate: (Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the last element of the sequence that satisfies the given predicate.
func lastIndex(of element: Self.Element) -> Self.Index? Returns the last index where the specified value appears in the collection.
func lastIndex(where predicate: (Self.Element) throws -> Bool) rethrows -> Self.Index? Returns the index of the last element in the collection that matches the given predicate.
func lastToken(viewMode: SyntaxTreeViewMode) -> TokenSyntax? Returns the last token node that is part of this syntax node.
func lexicographicallyPrecedes<OtherSequence>(_ other: OtherSequence, by areInIncreasingOrder: (Self.Element, Self.Element) throws -> Bool) rethrows -> Bool where OtherSequence : Sequence, Self.Element == OtherSequence.Element Returns a Boolean value indicating whether the sequence precedes another sequence in a lexicographical (dictionary) ordering, using the given predicate to compare elements.
func makeIterator() -> SyntaxCollectionIterator<Element> func map<T, E>(_ transform: (Self.Element) throws(E) -> T) throws(E) -> [T] where E : Error Returns an array containing the results of mapping the given closure over the sequence’s elements.
func map<T, E>(_ transform: (Self.Element) throws(E) -> T) throws(E) -> [T] where E : Error Returns an array containing the results of mapping the given closure over the sequence’s elements.
@warn_unqualified_access func max(by areInIncreasingOrder: (Self.Element, Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the maximum element in the sequence, using the given predicate as the comparison between elements.
@warn_unqualified_access func min(by areInIncreasingOrder: (Self.Element, Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the minimum element in the sequence, using the given predicate as the comparison between elements.
func nextToken(viewMode: SyntaxTreeViewMode) -> TokenSyntax? Recursively walks through the tree to find the next token semantically after this node.
func node(at syntaxIdentifier: SyntaxIdentifier) -> Syntax? If the node with the given syntaxIdentifier is a (recursive) child of this node, return the node with that identifier.
func prefix(_ maxLength: Int) -> Self.SubSequence Returns a subsequence, up to the specified maximum length, containing the initial elements of the collection.
func prefix(through position: Self.Index) -> Self.SubSequence Returns a subsequence from the start of the collection through the specified position.
func prefix(upTo end: Self.Index) -> Self.SubSequence Returns a subsequence from the start of the collection up to, but not including, the specified position.
func prefix(while predicate: (Self.Element) throws -> Bool) rethrows -> Self.SubSequence Returns a subsequence containing the initial elements until predicate returns false and skipping the remaining elements.
func previousToken(viewMode: SyntaxTreeViewMode) -> TokenSyntax? Recursively walks through the tree to find the token semantically before this node.
func randomElement() -> Self.Element? Returns a random element of the collection.
func randomElement<T>(using generator: inout T) -> Self.Element? where T : RandomNumberGenerator Returns a random element of the collection, using the given generator as a source for randomness.
func ranges<C>(of other: C) -> [Range<Self.Index>] where C : Collection, Self.Element == C.Element Finds and returns the ranges of the all occurrences of a given sequence within the collection.
func reduce<Result>(_ initialResult: Result, _ nextPartialResult: (Result, Self.Element) throws -> Result) rethrows -> Result Returns the result of combining the elements of the sequence using the given closure.
func reduce<Result>(into initialResult: Result, _ updateAccumulatingResult: (inout Result, Self.Element) throws -> ()) rethrows -> Result Returns the result of combining the elements of the sequence using the given closure.
@discardableResult mutating func remove(at position: Index) -> Element Removes and returns the element at the specified position.
mutating func removeSubrange(_ bounds: Range<Index>) Removes the elements in the specified subrange from the collection.
func removingSubranges(_ subranges: RangeSet<Self.Index>) -> DiscontiguousSlice<Self> Returns a collection of the elements in this collection that are not represented by the given range set.
mutating func replaceSubrange(_ subrange: Range<Self.Index>, with newElements: some Collection<Element>) Replace the nodes in subrange by newElements.
func reversed() -> ReversedCollection<Self> Returns a view presenting the elements of the collection in reverse order.
func shuffled() -> [Self.Element] Returns the elements of the sequence, shuffled.
func shuffled<T>(using generator: inout T) -> [Self.Element] where T : RandomNumberGenerator Returns the elements of the sequence, shuffled using the given generator as a source for randomness.
func sorted(by areInIncreasingOrder: (Self.Element, Self.Element) throws -> Bool) rethrows -> [Self.Element] Returns the elements of the sequence, sorted using the given predicate as the comparison between elements.
func sourceRange(converter: SourceLocationConverter, afterLeadingTrivia: Bool = true, afterTrailingTrivia: Bool = false) -> SourceRange The source range, in the provided file, of this Syntax node.
func split(maxSplits: Int = Int.max, omittingEmptySubsequences: Bool = true, whereSeparator isSeparator: (Self.Element) throws -> Bool) rethrows -> [Self.SubSequence] Returns the longest possible subsequences of the collection, in order, that don’t contain elements satisfying the given predicate.
func split(separator: Self.Element, maxSplits: Int = Int.max, omittingEmptySubsequences: Bool = true) -> [Self.SubSequence] Returns the longest possible subsequences of the collection, in order, around elements equal to the given element.
func startLocation(converter: SourceLocationConverter, afterLeadingTrivia: Bool = true) -> SourceLocation The starting location, in the provided file, of this Syntax node.
func starts<PossiblePrefix>(with possiblePrefix: PossiblePrefix) -> Bool where PossiblePrefix : Sequence, Self.Element == PossiblePrefix.Element Returns a Boolean value indicating whether the initial elements of the sequence are the same as the elements in another sequence.
func starts<PossiblePrefix>(with possiblePrefix: PossiblePrefix, by areEquivalent: (Self.Element, PossiblePrefix.Element) throws -> Bool) rethrows -> Bool where PossiblePrefix : Sequence Returns a Boolean value indicating whether the initial elements of the sequence are equivalent to the elements in another sequence, using the given predicate as the equivalence test.
func suffix(_ maxLength: Int) -> Self.SubSequence Returns a subsequence, up to the given maximum length, containing the final elements of the collection.
func suffix(from start: Self.Index) -> Self.SubSequence Returns a subsequence from the specified position to the end of the collection.
func token(at position: AbsolutePosition) -> TokenSyntax? Find the syntax token at the given absolute position within this syntax node or any of its children.
func tokens(viewMode: SyntaxTreeViewMode) -> TokenSequence Sequence of tokens that are part of this Syntax node.
func trimmed(matching filter: (TriviaPiece) -> Bool) -> Self A copy of this node with pieces that match matching trimmed from the leading trivia of the first token and trailing trivia of the last token.
func trimmedDescription(matching filter: (TriviaPiece) -> Bool) -> String The description of this node with pieces that match matching removed from the leading trivia of the first token and trailing trivia of the last token.
func trimmingPrefix<Prefix>(_ prefix: Prefix) -> Self.SubSequence where Prefix : Sequence, Self.Element == Prefix.Element Returns a new collection of the same type by removing prefix from the start of the collection.
func trimmingPrefix(while predicate: (Self.Element) throws -> Bool) rethrows -> Self.SubSequence func with<T>(_ keyPath: WritableKeyPath<Self, T>, _ value: T) -> Self Returns a new syntax node that has the child at keyPath replaced by value.
func withContiguousStorageIfAvailable<R>(_ body: (UnsafeBufferPointer<Self.Element>) throws -> R) rethrows -> R? func write<Target>(to target: inout Target) where Target : TextOutputStream Prints the raw value of this node to the provided stream.
init(_ collection: Self) Initialize the collection from a collection of the same type.
var byteRange: ByteSourceRange { get }var byteSize: Int { get }The textual byte length of this node including leading and trailing trivia.
var byteSizeAfterTrimmingTrivia: Int { get }The textual byte length of this node excluding leading and trailing trivia.
var contentLength: SourceLength { get }var firstToken: TokenSyntax? { get }var index: SyntaxChildrenIndex { get }The index of this node in a SyntaxChildren collection.
var isImplicit: Bool { get }When isImplicit is true, the syntax node doesn’t include any underlying tokens, e.g. an empty CodeBlockItemList.
var lastToken: TokenSyntax? { get }var nextToken: TokenSyntax? { get }var previousToken: TokenSyntax? { get }func appending(_ syntax: Element) -> Self Creates a new collection by appending the provided syntax element to the children.
func `as`(_ syntaxType: Syntax.Type) -> Syntax? Attempts to upcast the current syntax node to Syntax node.
func `as`(_ syntaxType: Self.Type) -> Self? Casts the current syntax node to its own type.
func cast(_ syntaxType: Syntax.Type) -> Syntax Force-cast the current syntax node to Syntax node..
func cast(_ syntaxType: Self.Type) -> Self Force-casts the current syntax node to its own type.
func detach() -> Self func flatMap<ElementOfResult>(_ transform: (Self.Element) throws -> ElementOfResult?) rethrows -> [ElementOfResult] func inserting(_ syntax: Element, at index: Int) -> Self Creates a new collection by inserting the provided syntax element at the provided index in the children.
func `is`(_ syntaxType: Syntax.Type) -> Bool Checks if the current syntax node can be upcast to Syntax node.
func `is`(_ syntaxType: Self.Type) -> Bool Checks if the current syntax node can be cast to its own type.
func prepending(_ syntax: Element) -> Self Creates a new collection by prepending the provided syntax element to the children.
func removing(childAt index: Int) -> Self Creates a new collection by removing the syntax element at the provided index.
func removingFirst() -> Self Creates a new collection by removing the first element.
func removingLast() -> Self Creates a new collection by removing the last element.
func replacing(childAt index: Int, with syntax: Element) -> Self Creates a new collection by replacing the syntax element at the provided index.
import SwiftParserA parser for the Swift programming language.
protocol CopyableA type whose values can be implicitly or explicitly copied.
protocol Escapableprotocol SyntaxParseable : SyntaxProtocolstatic func parse(from parser: inout Parser) -> AttributeListSyntax import SwiftSyntaxBuilderSwiftSyntaxBuilder is a tool for generating Swift code in a convenient way using result builders.
protocol ExpressibleByExtendedGraphemeClusterLiteral : ExpressibleByUnicodeScalarLiteralA type that can be initialized with a string literal containing a single extended grapheme cluster.
protocol ExpressibleByStringInterpolation : ExpressibleByStringLiteralA type that can be initialized by string interpolation with a string literal that includes expressions.
protocol ExpressibleByStringLiteral : ExpressibleByExtendedGraphemeClusterLiteralA type that can be initialized with a string literal.
protocol ExpressibleByUnicodeScalarLiteralA type that can be initialized with a string literal containing a single Unicode scalar value.
protocol SyntaxExpressibleByStringInterpolation : ExpressibleByStringInterpolation where Self.StringInterpolation == SyntaxStringInterpolationSyntax nodes that can be formed by a string interpolation involve source code and interpolated syntax nodes.
init(@AttributeListBuilder itemsBuilder: () throws -> AttributeListSyntax) rethrows init(extendedGraphemeClusterLiteral value: Self.StringLiteralType) init(stringLiteral value: String) init(unicodeScalarLiteral value: Self.ExtendedGraphemeClusterLiteralType)