typealias Array.Index The index type for arrays,
Int.
配列のためのインデックス型、Int。
typealias Array.Indices The type that represents the indices that are valid for subscripting an array, in ascending order.
昇順での、配列の添え字として有効なインデックスを表す型。
typealias Array.ArrayLiteralElement The type of the elements of an array literal.
配列リテラルの要素の型。
typealias Array.SubSequence A collection representing a contiguous subrange of this collection’s elements. The subsequence shares indices with the original collection.