Wrapping Up
In this chapter we covered how to visually represent and understand Observable flows using marble diagrams. We’ve covered the most common operators to transform Observables, and, more importantly, we’ve built a real-world application using only Observable sequences, avoiding setting any external state, loops, or conditional branches. We expressed our whole program in a declarative way, without having to encode every step to accomplish the task at hand.
In the next chapter we’ll continue to explore Observable sequences, this time taking a look at more advanced operators that allow you to control and bend flows and data in your program like you’ve never imagined possible with procedural code!
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