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Production code is all about handling errors: programming errors, user input errors, asynchronous errors. This course covers the error fundamentals you need to know.

Who is this for?

This course is for developers interested in getting a deeper understanding of the Swift language. It expects you to be comfortable with the basic syntax of Swift and to have perhaps written an app or two. You should be familiar with basic types in the Swift standard library.

This course focuses on:

• How to express errors
• try/catch basics
• Obj-C errors
• Result types
• Optionals
• Asserts

https://www.raywenderlich.com/1940818-advanced-swift-error-handling

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