The core.async Chapter is Up
The first draft of Mastering Concurrent Processes with core.async is now up on Clojure for the Brave and True. Here's a preview:
One day, while you are walking down the street, you will be surprised, intrigued, and a little disgusted to discover a hot dog vending machine. Your scalp tingling with guilty curiosity, you won't be able to help yourself from pulling out three Sacagawea dollars and seeing if this contraption actually works. After accepting your money, it will emit a click and a whirr, and out will pop a fresh hot dog, bun and all.