January 2019
Intermediate to advanced
520 pages
14h 32m
English
Content preview from Hands-On Microservices with Rust
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Using Sink to send data back
Future and Stream objects supply data from a source, but if you want to send a piece of data to the source, you have to use Sink objects. Sink is a trait that is similar to Stream, but works in the opposite direction. It contains two associated types—SinkItem and SinkError. The first determines the type of item that can be sent using a specific sink. The second represents an error if the sending process goes wrong. To interact with a Sink, you should use the methods of the SinkExt trait, which contains send methods to send an item to a recipient. The send method returns a Send struct that implements the Future trait, which means you can't send an item immediately. The call of the send methods returns a future ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.