Acknowledgments

Many people have contributed to what is good in this book. The problems and errors that remain are ours alone.

Thanks to Rich Hickey for creating the excellent Clojure language and fostering a community around it. Thanks to the awesome team at Cognitect (formerly Relevance) for creating an atmosphere in which good ideas can grow and thrive. Thanks to the Clojure community for using Clojure and turning an idea into a working ecosystem.

Thanks to all the readers and technical reviewers who have suggested improvements across all three editions of the book. Jeff Brown suggested the coin toss problem in ​Lazier Than Lazy​. David Liebke wrote the original content for Chapter 7, ​Protocols and Datatypes​.

Thanks to everyone at Pragmatic Bookshelf. Thanks especially to our editor, Jacquelyn Carter, and former editors Michael Swaine and Susannah Pfalzer for focus and advice. Thanks also to Dave Thomas and Andy Hunt.

Thanks to my wife and family for their love, support, and the precious gift of time to create.—Alex

Thanks to my wife, Joey, and to my children, Hattie, Harper, Mabel Faire, and Truman. You all make the sun rise.—Stuart

Thanks to my wife, Erin, for endless love and encouragement.—Aaron