/*

    Copyright (C) 2016 Apple Inc. All Rights Reserved.

    See LICENSE.txt for this sample’s licensing information

    Abstract:

    Defines the `Layout` protocol.

*/

import CoreGraphics

/// A type that can layout itself and its contents.

protocol Layout {

    /// Lay out this layout and all of its contained layouts within `rect`.

    mutating func layout(in rect: CGRect)

    /// The type of the leaf content elements in this layout.

    associatedtype Content

    /// Return all of the leaf content elements contained in this layout and its descendants.

    var contents: [Content] { get }

}