Go Brain Teasers

Puzzle 18

A Job to Do

job.go

package main

import (
        "fmt"
)

type Job struct {
        State string
        done  chan struct{}
}

func (j *Job) Wait() {
        <-j.done
}

func (j *Job) Done() {
        j.State = "done"
        close(j.done)
}

func main() {
        ch := make(chan Job)
        go func() {
                j := <-ch
                j.Done()
        }()

        job := Job{"ready", make(chan struct{})}
        ch <- job
        job.Wait()
        fmt.Println(job.State)
}

Guess the Output
	Try to guess what the output is before moving to the next page.

This code will print: ...