os.exit(code) terminates the script immediately with the given integer exit code. Code 0 means success; any non-zero value signals failure.
fmt := import("fmt")
os := import("os")
fmt.println("starting")for i := 0; i < 3; i++ {
fmt.println("step ", i)
}os.exit(0)
fmt.println("this will not print")try it
starting step 0 step 1 step 2 this will not print