September 2018
Intermediate to advanced
398 pages
9h 43m
English
Content preview from Scala Programming Projects
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Getting a concrete value
OK, we can compose Futures to have new Futures but, at some point, we will need to have a concrete value instead of Future.
When we asked to get the response of a REST call, we receive Future from the function. The particularity of Future is that we do not know when it is going to finish so in our test we need to wait until we get the concrete value of Future.
To get a concrete value, you can either wait for Future to complete or provide a callback. Let us go into the details of both cases.
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.