github.com/graybobo/golang.org-package-offline-cache@v0.0.0-20200626051047-6608995c132f/x/talks/2015/go-for-java-programmers/channel.go (about)

     1  // +build OMIT
     2  
     3  package main
     4  
     5  import (
     6  	"fmt"
     7  	"time"
     8  )
     9  
    10  // STARTMAIN1 OMIT
    11  type Ball struct{ hits int }
    12  
    13  func main() {
    14  	table := make(chan *Ball) // HL
    15  	go player("ping", table)
    16  
    17  	table <- new(Ball) // game on; toss the ball
    18  	time.Sleep(1 * time.Second)
    19  	<-table // game over; grab the ball
    20  }
    21  
    22  func player(name string, table chan *Ball) {
    23  	for i := 0; ; i++ {
    24  		ball := <-table // HL
    25  		ball.hits++
    26  		fmt.Println(name, i, "hit", ball.hits)
    27  		time.Sleep(100 * time.Millisecond)
    28  		table <- ball // HL
    29  	}
    30  }
    31  
    32  // STOPMAIN1 OMIT