Here's a brief summary of all the concepts discussed in this chapter!

​In this chapter you’ve seen how if constexpr can make code much clearer and more expressive. Before C++17 you could use enable_if techniques (SFINAE) or tag dispatching. Those options usually generated complicated code which might be hard to read by novice and non-meta-programming experts. if constexpr lowers the expertise level needed to write template code effectively.

In the next chapter, we will learn to parallelize CSV Reader.

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