Cover page by Russ Olsen

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Chapter 28. Build External DSLs for Flexible Syntax

My older brother turned out to be a pretty great guy. He works hard. He’s dedicated to his family. If you have a problem, he’s willing to help. Since he did turn out so well, I guess I can forgive him for being really, really popular in high school. Back then my days seemed to be filled with a continuous stream of pretty girls asking me if I was really Charlie Olsen’s brother.1 The thing is, even in my teens I was witty, I was intelligent, and I had the mesmerizing Olsen blue eyes. There’s no doubt that my high school career would have been a bigger social success if only I could have stepped out of my brother’s shadow for five minutes.2

Given this, I can sympathize with every external DSL ...

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