6f05a08694
* Switch the TimelineController to an async sequence and fix the warnings on the UserIndicatorController
28 lines
920 B
Swift
28 lines
920 B
Swift
//
|
|
// Copyright 2022-2024 New Vector Ltd.
|
|
//
|
|
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
|
|
// Please see LICENSE files in the repository root for full details.
|
|
//
|
|
|
|
import Foundation
|
|
|
|
/// Represents a specific portion of the ViewState that can be bound to with SwiftUI's [2-way binding](https://developer.apple.com/documentation/swiftui/binding).
|
|
@MainActor
|
|
protocol BindableState {
|
|
/// The associated type of the Bindable State. Defaults to Void.
|
|
associatedtype BindStateType = Void
|
|
var bindings: BindStateType { get set }
|
|
}
|
|
|
|
extension BindableState where BindStateType == Void {
|
|
/// We provide a default implementation for the Void type so that we can have `ViewState` that
|
|
/// just doesn't include/take advantage of the bindings.
|
|
var bindings: Void {
|
|
get { }
|
|
set {
|
|
fatalError("Can't bind to the default Void binding.")
|
|
}
|
|
}
|
|
}
|