Blog: ObservableObjects and Protocols - Protocol without extending ObservableObject

blog--observableobject+protocols--protocol-no-observableobject.swift

// Copyright 2021 Expedia, Inc.
// SPDX-License-Identifier: Apache-2.0

// Before
protocol PriceRequesting: ObservableObject {
    // ...
}

class PricingProvider: PriceRequesting {
    // ...
}

// After
protocol PriceRequesting {
    // ...
}

class PricingProvider: PriceRequesting, ObservableObject {
    // ...
}