Beam/ElementX/Sources/Other/Consumable.swift

//
// Copyright 2023 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//

import Foundation

@propertyWrapper struct Consumable<Value> {
    var wrappedValue: Value? {
        mutating get {
            defer {
                value = nil
            }
            return value
        }
        set {
            value = newValue
        }
    }

    private var value: Value?

    init(value: Value? = nil) {
        self.value = value
    }
}