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Building Reactive Applications With Combine

Recovering from Errors

by Bart Jacobs in Programming

Swift 5 Xcode 12 ios 14

Building Reactive Applications With Combine

1	Introduction 03:12
2	What Is Reactive Programming 09:53
3	First-Class Functions and Function Types 06:49
4	Pure Functions and Higher-Order Functions 06:51
5	What Is Combine 04:17
6	Getting Your Feet Wet With Combine 07:51
7	Managing Subscriptions 04:24
8	Adding Operators to the Mix 05:48
9	Working With Publishers and Subscribers 08:17
10	Understanding the Life Cycle of a Subscription 06:45
11	Reactifying Swift with the Published Property Wrapper 08:01
12	Filtering and Transforming Elements with Operators 07:33
13	Using Publishers to Push Data 06:27
14	Hiding Implementation Details with Type Erasure 08:36
15	Driving the User Interface with Publishers 07:42
16	Bridging Imperative and Reactive Programming 08:50
17	Reducing Complexity and Code Duplication 07:07
18	Reducing State with Subjects 08:35
19	Combining Publishers with Zip and Combine Latest 11:07
20	Reactifying the Week View Controller 08:32
21	Combine and Diffable Data Sources 08:53
22	Driving Table View Cells with Combine 12:39
23	Subscribing to Settings Changes 11:08
24	Networking and Schedulers 07:25
25	Handling Errors 06:48
26	Recovering from Errors 07:35
27	Avoiding Infinite Loops 09:30
28	Futures and Promises 11:04
29	Replacing Completion Handlers with Futures 09:13
30	Transforming Publishers with Flat Map 08:02

Cloudy shows the user an error if it isn't able to fetch weather data from the weather API. We map any errors that are thrown to WeatherDataError in the RootViewModel class. This solution works fine and it is a fitting implementation for the weather application we are building. In this episode, I show you three other options to handle errors.

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Next Episode "Avoiding Infinite Loops"

Building Reactive Applications With Combine

Recovering from Errors

Instant and Unlimited Accessto 500+ Cocoacasts Tutorials

Instant and Unlimited Access
to 500+ Cocoacasts Tutorials