July 2019
Intermediate to advanced
310 pages
7h 26m
English
Content preview from Programming ElmBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,







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What You Learned
We really covered a ton in this chapter. You learned how to create JSON decoders and how Elm safeguards applications from untrustworthy APIs. You learned how to use Maybe to deal with missing data and how to write elegant functional code with Maybe.map and function composition. Most importantly, you learned how to interact with HTTP APIs.
You can now build applications that use real data from servers. In the next chapter, you will take that knowledge further to update application state from servers in real time via WebSockets.
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