Structureswift 6.0.1Swift
Words
A type that represents the words of this integer.
@frozen struct WordsOther members in extension
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Types
struct SIMD16StorageStorage for a vector of 16 integers.
struct SIMD2StorageStorage for a vector of two integers.
struct SIMD32StorageStorage for a vector of 32 integers.
struct SIMD4StorageStorage for a vector of four integers.
struct SIMD64StorageStorage for a vector of 64 integers.
struct SIMD8StorageStorage for a vector of eight integers.
Typealiases
typealias IntegerLiteralTypeA type that represents an integer literal.
typealias MagnitudeA type that can represent the absolute value of any possible value of this type.
typealias SIMDMaskScalar
Type members
init(Double) Creates an integer from the given floating-point value, rounding toward zero.
init(Float) Creates an integer from the given floating-point value, rounding toward zero.
init(Float16) Creates an integer from the given floating-point value, rounding toward zero.
init(ascii: Unicode.Scalar) Construct with value
v.value.init(bitPattern: Int8) Creates a new instance with the same memory representation as the given value.
init?(exactly: Double) Creates an integer from the given floating-point value, if it can be represented exactly.
init?(exactly: Float) Creates an integer from the given floating-point value, if it can be represented exactly.
init?(exactly: Float16) Creates an integer from the given floating-point value, if it can be represented exactly.
init(from: any Decoder) throws static var bitWidth: IntThe number of bits used for the underlying binary representation of values of this type.
static func != (lhs: UInt8, rhs: UInt8) -> Bool static func % (lhs: UInt8, rhs: UInt8) -> UInt8 static func %= (lhs: inout UInt8, rhs: UInt8) static func & (lhs: UInt8, rhs: UInt8) -> UInt8 static func &<< (lhs: UInt8, rhs: UInt8) -> UInt8 static func &<<= (lhs: inout UInt8, rhs: UInt8) static func &= (lhs: inout UInt8, rhs: UInt8) static func &>> (lhs: UInt8, rhs: UInt8) -> UInt8 static func &>>= (lhs: inout UInt8, rhs: UInt8) static func * (lhs: UInt8, rhs: UInt8) -> UInt8 Multiplies two values and produces their product.
static func *= (lhs: inout UInt8, rhs: UInt8) Multiplies two values and stores the result in the left-hand-side variable.
static func + (lhs: UInt8, rhs: UInt8) -> UInt8 Adds two values and produces their sum.
static func += (lhs: inout UInt8, rhs: UInt8) Adds two values and stores the result in the left-hand-side variable.
static func - (lhs: UInt8, rhs: UInt8) -> UInt8 Subtracts one value from another and produces their difference.
static func -= (lhs: inout UInt8, rhs: UInt8) Subtracts the second value from the first and stores the difference in the left-hand-side variable.
static func / (lhs: UInt8, rhs: UInt8) -> UInt8 static func /= (lhs: inout UInt8, rhs: UInt8) static func < (lhs: UInt8, rhs: UInt8) -> Bool static func <= (lhs: UInt8, rhs: UInt8) -> Bool static func == (lhs: UInt8, rhs: UInt8) -> Bool static func > (lhs: UInt8, rhs: UInt8) -> Bool static func >= (lhs: UInt8, rhs: UInt8) -> Bool static func ^ (lhs: UInt8, rhs: UInt8) -> UInt8 static func ^= (lhs: inout UInt8, rhs: UInt8) static func | (lhs: UInt8, rhs: UInt8) -> UInt8 static func |= (lhs: inout UInt8, rhs: UInt8)
Instance members
var byteSwapped: UInt8var customMirror: MirrorA mirror that reflects the
UInt8instance.var leadingZeroBitCount: IntThe number of leading zeros in this value’s binary representation.
var nonzeroBitCount: Intvar trailingZeroBitCount: IntThe number of trailing zeros in this value’s binary representation.
var words: UInt8.WordsA collection containing the words of this value’s binary representation, in order from the least significant to most significant.
func addingReportingOverflow(UInt8) -> (partialValue: UInt8, overflow: Bool) func dividedReportingOverflow(by: UInt8) -> (partialValue: UInt8, overflow: Bool) func dividingFullWidth((high: UInt8, low: UInt8.Magnitude)) -> (quotient: UInt8, remainder: UInt8) Returns a tuple containing the quotient and remainder of dividing the given value by this value.
func encode(to: any Encoder) throws Encodes this value into the given encoder.
func hash(into: inout Hasher) Hashes the essential components of this value by feeding them into the given hasher.
func multipliedFullWidth(by: UInt8) -> (high: UInt8, low: UInt8.Magnitude) Returns a tuple containing the high and low parts of the result of multiplying this value by the given value.
func multipliedReportingOverflow(by: UInt8) -> (partialValue: UInt8, overflow: Bool) func remainderReportingOverflow(dividingBy: UInt8) -> (partialValue: UInt8, overflow: Bool) func signum() -> UInt8 func subtractingReportingOverflow(UInt8) -> (partialValue: UInt8, overflow: Bool)
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var customPlaygroundQuickLook: _PlaygroundQuickLookA custom playground Quick Look for the
UInt8instance.
Citizens in Swift
Conformances
protocol BidirectionalCollection<Element>A collection that supports backward as well as forward traversal.
protocol BitwiseCopyableprotocol Collection<Element>A sequence whose elements can be traversed multiple times, nondestructively, and accessed by an indexed subscript.
protocol RandomAccessCollection<Element>A collection that supports efficient random-access index traversal.
protocol Sendableprotocol Sequence<Element>A type that provides sequential, iterated access to its elements.
Typealiases
Type members
Instance members
var count: Intvar endIndex: Intvar indices: UInt8.Words.Indicesvar startIndex: Intsubscript(Int) -> UInt func index(after: Int) -> Int func index(before: Int) -> Int
Instance features
var first: Self.Element?The first element of the collection.
var isEmpty: BoolA Boolean value indicating whether the collection is empty.
var last: Self.Element?The last element of the collection.
var lazy: LazySequence<Self>A sequence containing the same elements as this sequence, but on which some operations, such as
mapandfilter, are implemented lazily.var underestimatedCount: IntA value less than or equal to the number of elements in the collection.
func allSatisfy((Self.Element) throws -> Bool) rethrows -> Bool Returns a Boolean value indicating whether every element of a sequence satisfies a given predicate.
func compactMap<ElementOfResult>((Self.Element) throws -> ElementOfResult?) rethrows -> [ElementOfResult] Returns an array containing the non-
nilresults of calling the given transformation with each element of this sequence.func contains(Self.Element) -> Bool Returns a Boolean value indicating whether the sequence contains the given element.
func contains(where: (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: (Self.Element)throws Returns the number of elements in the sequence that satisfy the given predicate.
func difference<C>(from: C) -> CollectionDifference<Self.Element> Returns the difference needed to produce this collection’s ordered elements from the given collection.
func difference<C>(from: C, by: (C.Element, Self.Element) -> Bool) -> CollectionDifference<Self.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 drop(while: (Self.Element) throws -> Bool) rethrows -> Self.SubSequence Returns a subsequence by skipping elements while
predicatereturnstrueand returning the remaining elements.func dropFirst(Int) -> Self.SubSequence Returns a subsequence containing all but the given number of initial elements.
func dropLast(Int) -> Self.SubSequence Returns a subsequence containing all but the specified number of final elements.
func elementsEqual<OtherSequence>(OtherSequence) -> Bool Returns a Boolean value indicating whether this sequence and another sequence contain the same elements in the same order.
func elementsEqual<OtherSequence>(OtherSequence, by: (Self.Element, OtherSequence.Element) throws -> Bool) rethrows -> Bool 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 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((Self.Element) throws -> Bool) rethrows -> [Self.Element] Returns an array containing, in order, the elements of the sequence that satisfy the given predicate.
func first(where: (Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the first element of the sequence that satisfies the given predicate.
func firstIndex(of: Self.Element) -> Self.Index? Returns the first index where the specified value appears in the collection.
func firstIndex(where: (Self.Element) throws -> Bool) rethrows -> Self.Index? Returns the first index in which an element of the collection satisfies the given predicate.
func flatMap<SegmentOfResult>((Self.Element) throws -> SegmentOfResult) rethrows -> [SegmentOfResult.Element] Returns an array containing the concatenated results of calling the given transformation with each element of this sequence.
func forEach((Self.Element) throws -> Void) rethrows Calls the given closure on each element in the sequence in the same order as a
for-inloop.func formIndex(inout Self.Index, offsetBy: Int) Offsets the given index by the specified distance.
func formIndex(inout Self.Index, offsetBy: Int, limitedBy: Self.Index) -> Bool Offsets the given index by the specified distance, or so that it equals the given limiting index.
func formIndex(after: inout Self.Index) Replaces the given index with its successor.
func formIndex(before: inout Self.Index) func index(Self.Index, offsetBy: Int, limitedBy: Self.Index) -> Self.Index? Returns an index that is the specified distance from the given index, unless that distance is beyond a given limiting index.
func indices(of: Self.Element) -> RangeSet<Self.Index> Returns the indices of all the elements that are equal to the given element.
func indices(where: (Self.Element) throws -> Bool) rethrows -> RangeSet<Self.Index> Returns the indices of all the elements that match the given predicate.
func last(where: (Self.Element) throws -> Bool) rethrows -> Self.Element? Returns the last element of the sequence that satisfies the given predicate.
func lastIndex(of: Self.Element) -> Self.Index? Returns the last index where the specified value appears in the collection.
func lastIndex(where: (Self.Element) throws -> Bool) rethrows -> Self.Index? Returns the index of the last element in the collection that matches the given predicate.
func lexicographicallyPrecedes<OtherSequence>(OtherSequence) -> Bool Returns a Boolean value indicating whether the sequence precedes another sequence in a lexicographical (dictionary) ordering, using the less-than operator (
<) to compare elements.func lexicographicallyPrecedes<OtherSequence>(OtherSequence, by: (Self.Element, Self.Element) throws -> Bool) rethrows -> Bool 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() -> IndexingIterator<Self> Returns an iterator over the elements of the collection.
func map<T, E>((Self.Element)throws Returns an array containing the results of mapping the given closure over the sequence’s elements.
func map<T, E>((Self.Element)throws Returns an array containing the results of mapping the given closure over the sequence’s elements.
func max() -> Self.Element? Returns the maximum element in the sequence.
func max(by: (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.
func min() -> Self.Element? Returns the minimum element in the sequence.
func min(by: (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 prefix(Int) -> Self.SubSequence Returns a subsequence, up to the specified maximum length, containing the initial elements of the collection.
func prefix(through: Self.Index) -> Self.SubSequence Returns a subsequence from the start of the collection through the specified position.
func prefix(upTo: Self.Index) -> Self.SubSequence Returns a subsequence from the start of the collection up to, but not including, the specified position.
func prefix(while: (Self.Element) throws -> Bool) rethrows -> Self.SubSequence Returns a subsequence containing the initial elements until
predicatereturnsfalseand skipping the remaining elements.func randomElement() -> Self.Element? Returns a random element of the collection.
func randomElement<T>(using: inout T) -> Self.Element? Returns a random element of the collection, using the given generator as a source for randomness.
func reduce<Result>(Result, (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: Result, (inout Result, Self.Element) throws -> ()) rethrows -> Result Returns the result of combining the elements of the sequence using the given closure.
func removingSubranges(RangeSet<Self.Index>) -> DiscontiguousSlice<Self> Returns a collection of the elements in this collection that are not represented by the given range set.
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: inout T) -> [Self.Element] Returns the elements of the sequence, shuffled using the given generator as a source for randomness.
func sorted() -> [Self.Element] Returns the elements of the sequence, sorted.
func sorted(by: (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 split(maxSplits: Int, omittingEmptySubsequences: Bool, whereSeparator: (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, omittingEmptySubsequences: Bool) -> [Self.SubSequence] Returns the longest possible subsequences of the collection, in order, around elements equal to the given element.
func starts<PossiblePrefix>(with: PossiblePrefix) -> Bool 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, by: (Self.Element, PossiblePrefix.Element) throws -> Bool) rethrows -> Bool 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(Int) -> Self.SubSequence Returns a subsequence, up to the given maximum length, containing the final elements of the collection.
func suffix(from: Self.Index) -> Self.SubSequence Returns a subsequence from the specified position to the end of the collection.
func withContiguousStorageIfAvailable<R>((UnsafeBufferPointer<Self.Element>) throws -> R) rethrows -> R?
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func flatMap<ElementOfResult>((Self.Element) throws -> ElementOfResult?) rethrows -> [ElementOfResult] func index(of: Self.Element) -> Self.Index? Returns the first index where the specified value appears in the collection.