Files
swift-mirror/stdlib/public/core/RandomAccessCollection.swift
2016-02-23 15:46:29 -08:00

41 lines
1.5 KiB
Swift
Executable File

//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2016 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
// TODO: swift-3-indexing-model - Add in RandomAccessCollection protocol documentation
public protocol RandomAccessCollection : BidirectionalCollection {
associatedtype Index : Strideable // FIXME: where Index.Distance == IndexDistance
}
/// Default implementation for random access collections.
extension RandomAccessCollection {
public func _failEarlyRangeCheck(index: Index, bounds: Range<Index>) {
fatalError("implement") // TODO: swift-3-indexing-model - implement
}
public func _failEarlyRangeCheck(
rangeStart rangeStart: Index,
rangeEnd: Index,
boundsStart: Index,
boundsEnd: Index
) {
fatalError("implement") // TODO: swift-3-indexing-model - implement
}
// TODO: swift-3-indexing-model - implement optimized version of the following
// advance(i: Index, by n: IndexDistance) -> Index
// advance(i: Index, by n: IndexDistance, limit: Index) -> Index
// distance(from start: Index, to end: Index) -> IndexDistance
}