Collection

protocol Collection : Sequence where Self.SubSequence : Collection

  • Deprecated: Please use getSafely(at:) instead.

    Refer to the documentation for getSafely(at:) for more info.

    Declaration

    Swift

    @available(*, deprecated, renamed: "getSafely(at:﹚")
public func getSafely(_ index: Self.Index) -> Self.Iterator.Element?

  • Try to get the item at index index. If the index is out of bounds, nil is returned.

    Parameter index: The index of the item to tentatively get. Returns: The element as a wrapped optional if the index is in the indices of the collection, nil otherwise

    Declaration

    Swift

    public func getSafely(at index: Self.Index) -> Self.Iterator.Element?

  • Returns a collection with same element, and information as to whether the element is the first or the last, or both.

    Declaration

    Swift

    public func withPositionInformation() -> [(element: Self.Element, isFirstElement: Bool, isLastElement: Bool)]