A dictionary of named data values.
SDKs
- macOS 10.14+
- Xcode 10.0+
Framework
- Create ML
Declaration
struct MLData Value.DictionaryType
A dictionary of named data values.
SDKs
Framework
struct MLData Value.DictionaryType
init?(from: MLData Value)
Creates a data-value dictionary from another dictionary.
var data Value: MLData Value
The dictionary wrapped in a data value.
var first: (key: MLData Value, value: MLData Value)?
The first element of the collection.
var indices: Default Indices<MLData Value .Dictionary Type>
The indices that are valid for subscripting the collection, in ascending order.
var lazy: Lazy Sequence<MLData Value .Dictionary Type>
A sequence containing the same elements as this sequence, but on which some operations, such as map
and filter
, are implemented lazily.
var underestimated Count: Int
A value less than or equal to the number of elements in the collection.
static var data Value Type: MLData Value .Value Type
The underlying type a machine learning dictionary uses when it wraps itself in a data value.
func all Satisfy(((key: MLData Value, value: MLData Value)) -> Bool) -> Bool
Returns a Boolean value indicating whether every element of a sequence satisfies a given predicate.
func compact Map<Element Of Result>(((key: MLData Value, value: MLData Value)) -> Element Of Result?) -> [Element Of Result]
Returns an array containing the non-nil
results of calling the given transformation with each element of this sequence.
func contains(where: ((key: MLData Value, value: MLData Value)) -> Bool) -> Bool
Returns a Boolean value indicating whether the sequence contains an element that satisfies the given predicate.
func distance(from: MLData Value .Dictionary Type .Index, to: MLData Value .Dictionary Type .Index) -> Int
Returns the distance between two indices.
func drop(while: ((key: MLData Value, value: MLData Value)) -> Bool) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence by skipping elements while predicate
returns true
and returning the remaining elements.
func drop First(Int) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence containing all but the given number of initial elements.
func drop Last(Int) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence containing all but the specified number of final elements.
func elements Equal<Other Sequence>(Other Sequence, by: ((key: MLData Value, value: MLData Value), Other Sequence .Element) -> Bool) -> 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() -> Enumerated Sequence<MLData Value .Dictionary Type>
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(((key: MLData Value, value: MLData Value)) -> Bool) -> [(key: MLData Value, value: MLData Value)]
Returns an array containing, in order, the elements of the sequence that satisfy the given predicate.
func first(where: ((key: MLData Value, value: MLData Value)) -> Bool) -> (key: MLData Value, value: MLData Value)?
Returns the first element of the sequence that satisfies the given predicate.
func first Index(where: ((key: MLData Value, value: MLData Value)) -> Bool) -> MLData Value .Dictionary Type .Index?
Returns the first index in which an element of the collection satisfies the given predicate.
func flat Map<Segment Of Result>(((key: MLData Value, value: MLData Value)) -> Segment Of Result) -> [Segment Of Result .Element]
Returns an array containing the concatenated results of calling the given transformation with each element of this sequence.
func for Each(((key: MLData Value, value: MLData Value)) -> Void)
Calls the given closure on each element in the sequence in the same order as a for
-in
loop.
func form Index(inout MLData Value .Dictionary Type .Index, offset By: Int)
Offsets the given index by the specified distance.
func form Index(inout MLData Value .Dictionary Type .Index, offset By: Int, limited By: MLData Value .Dictionary Type .Index) -> Bool
Offsets the given index by the specified distance, or so that it equals the given limiting index.
func form Index(after: inout MLData Value .Dictionary Type .Index)
Replaces the given index with its successor.
func index(MLData Value .Dictionary Type .Index, offset By: Int) -> MLData Value .Dictionary Type .Index
Returns an index that is the specified distance from the given index.
func index(MLData Value .Dictionary Type .Index, offset By: Int, limited By: MLData Value .Dictionary Type .Index) -> MLData Value .Dictionary Type .Index?
Returns an index that is the specified distance from the given index, unless that distance is beyond a given limiting index.
func index(where: ((key: MLData Value, value: MLData Value)) -> Bool) -> MLData Value .Dictionary Type .Index?
Returns the first index in which an element of the collection satisfies the given predicate.
func lexicographically Precedes<Other Sequence>(Other Sequence, by: ((key: MLData Value, value: MLData Value), (key: MLData Value, value: MLData Value)) -> Bool) -> 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 make Iterator() -> Indexing Iterator<MLData Value .Dictionary Type>
Returns an iterator over the elements of the collection.
func map<T>(((key: MLData Value, value: MLData Value)) -> T) -> [T]
Returns an array containing the results of mapping the given closure over the sequence’s elements.
func max(by: ((key: MLData Value, value: MLData Value), (key: MLData Value, value: MLData Value)) -> Bool) -> (key: MLData Value, value: MLData Value)?
Returns the maximum element in the sequence, using the given predicate as the comparison between elements.
func min(by: ((key: MLData Value, value: MLData Value), (key: MLData Value, value: MLData Value)) -> Bool) -> (key: MLData Value, value: MLData Value)?
Returns the minimum element in the sequence, using the given predicate as the comparison between elements.
func prefix(Int) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence, up to the specified maximum length, containing the initial elements of the collection.
func prefix(through: MLData Value .Dictionary Type .Index) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence from the start of the collection through the specified position.
func prefix(up To: MLData Value .Dictionary Type .Index) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence from the start of the collection up to, but not including, the specified position.
func prefix(while: ((key: MLData Value, value: MLData Value)) -> Bool) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence containing the initial elements until predicate
returns false
and skipping the remaining elements.
func random Element() -> (key: MLData Value, value: MLData Value)?
Returns a random element of the collection.
func random Element<T>(using: inout T) -> (key: MLData Value, value: MLData Value)?
Returns a random element of the collection, using the given generator as a source for randomness.
func reduce<Result>(Result, (Result, (key: MLData Value, value: MLData Value)) -> Result) -> Result
Returns the result of combining the elements of the sequence using the given closure.
func reduce<Result>(into: Result, (inout Result, (key: MLData Value, value: MLData Value)) -> ()) -> Result
Returns the result of combining the elements of the sequence using the given closure.
func reversed() -> [(key: MLData Value, value: MLData Value)]
Returns an array containing the elements of this sequence in reverse order.
func shuffled() -> [(key: MLData Value, value: MLData Value)]
Returns the elements of the sequence, shuffled.
func shuffled<T>(using: inout T) -> [(key: MLData Value, value: MLData Value)]
Returns the elements of the sequence, shuffled using the given generator as a source for randomness.
func sorted(by: ((key: MLData Value, value: MLData Value), (key: MLData Value, value: MLData Value)) -> Bool) -> [(key: MLData Value, value: MLData Value)]
Returns the elements of the sequence, sorted using the given predicate as the comparison between elements.
func split(max Splits: Int, omitting Empty Subsequences: Bool, where Separator: ((key: MLData Value, value: MLData Value)) -> Bool) -> [Slice<MLData Value .Dictionary Type>]
Returns the longest possible subsequences of the collection, in order, that don’t contain elements satisfying the given predicate.
func starts<Possible Prefix>(with: Possible Prefix, by: ((key: MLData Value, value: MLData Value), Possible Prefix .Element) -> Bool) -> 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) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence, up to the given maximum length, containing the final elements of the collection.
func suffix(from: MLData Value .Dictionary Type .Index) -> Slice<MLData Value .Dictionary Type>
Returns a subsequence from the specified position to the end of the collection.
func with Contiguous Storage If Available<R>((Unsafe Buffer Pointer<(key: MLData Value, value: MLData Value)>) -> R) -> R?
Call body(p)
, where p
is a pointer to the collection’s contiguous storage. If no such storage exists, it is first created. If the collection does not support an internal representation in a form of contiguous storage, body
is not called and nil
is returned.
subscript<R>(R) -> Slice<MLData Value .Dictionary Type>
Accesses the contiguous subrange of the collection’s elements specified by a range expression.
subscript(Range<MLData Value .Dictionary Type .Index>) -> Slice<MLData Value .Dictionary Type>
Accesses a contiguous subrange of the collection’s elements.
static func != (MLData Value .Dictionary Type, MLData Value .Dictionary Type) -> Bool
Returns a Boolean value indicating whether two values are not equal.
var dictionary Value: MLData Value .Dictionary Type?
The underlying dictionary.