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Go in action

Chapter 2 - quick start

  • init() functions get called before main functions.
  • All variables in Go are initialized to their zero value. Pointer's zero value is nil.
  • Once the main function returns, the program terminates. Any goroutines that were launched and are still running at this time will also be terminated by the Go run-time.
  • When you write concurrent programs, it’s best to cleanly terminate any goroutines that were launched prior to letting the main function return.

Chapter 3 - packages

  • The convention for naming your package is to use the name of the directory containing it.