10 Concurrent programs
In this chapter you will learn
- how to declaratively design concurrent program flows
- how to use lightweight virtual threads (fibers)
- how to safely store and access data from different threads
- how to process a stream of events asynchronously
“We know the past but cannot control it. We control the future but cannot know it.”
—Claude Shannon
Threads, threads everywhere
So far in the book we’ve been focusing on sequential programs: each program consisted of a sequence of expressions that were evaluated one by one using a single execution thread, usually connected to a single core.
We won’t be focusing on cores (or CPUs) in this chapter. We will focus on having multiple threads. Note that multiple threads can still run on a ...
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