Go (Golang) for Beginners

Golang Concurrency Will Finally Make Sense After This

Go concurrency for beginners, proven with real programs: Ana's tea shop program checks three teas with a supplier one after another and takes three seconds, then adding the word go makes it print nothing. We follow why, and build it up: goroutines and the Go scheduler, the difference between concurrency and parallelism, WaitGroups, channels, a real race condition caught by the race detector and fixed with a mutex, a deadlock, and select with a timeout.