import Foundation
import SwiftUI

public struct HorizontalScrollOffsetPreferenceKey: PreferenceKey {
    public static let defaultValue: CGFloat = 0

    public static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
        value = nextValue()
    }
}

public struct VerticalScrollOffsetPreferenceKey: PreferenceKey {
    public static let defaultValue: CGFloat = 0

    public static func reduce(value: inout CGFloat, nextValue: () -> CGFloat) {
        value = nextValue()
    }
}