Why functional programming?
Functional programming has been around for almost as long as other programming paradigms, such as procedural and object-oriented programming, if not longer. But in the past 10 years, it has gained major momentum. The reason for that is because something else stalled: CPU speeds. We cannot speed up our CPUs as much as we did in the past, so we must parallelize our programs. And it turns out that the functional programming paradigm is exceptional at running parallel tasks.
The evolution of multicore processors is a very interesting topic by itself, but we'll be able to cover it only briefly. Workstations had multiple processors since the 1980s at least, to support running tasks from different users in parallel. Since ...
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