https://docs.swift.org/swift-book/LanguageGuide/Closures.html#ID95
At the bottom of the first section, "For more about operator method, see Operator Methods." should instead be "For more about operator methods, see Operator Methods."
https://docs.swift.org/swift-book/LanguageGuide/Closures.html#ID95
At the bottom of the first section, "For more about operator method, see Operator Methods." should instead be "For more about operator methods, see Operator Methods."
Thanks! I've changed this in the book's source, and the correction will go out with the next version.