Sequence

extension Sequence

  • Returns the descriptions of all elements, joined by the given separator.

    Declaration

    Swift

    public func descriptions(joinedBy separator: String = ", ") -> String
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  • The result of the first scucessful transformation applied to elements in self.

    Declaration

    Swift

    public func first<T>(transformedBy transform: (Element) throws -> T?) rethrows -> T?
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  • Returns the number of elements for which predicate holds.

    Complexity

    O(n) where n is the length of self.

    Declaration

    Swift

    public func elementCount(where predicate: (Element) throws -> Bool) rethrows -> Int

    Return Value

    self.filter(predicate).count

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  • Returns the elements of the sequence, sorted by their values at path.

    Complexity

    O(n log n), where n is the length of self.

    Declaration

    Swift

    public func sorted<T>(by path: KeyPath<Element, T>) -> [Element] where T : Comparable
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