go-learn/channel-directions.go

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2021-03-08 17:50:01 +00:00
package main
import "fmt"
func ping(pings chan<- string, msg string) {
pings <- msg
}
func pong(pings <-chan string, pongs chan<- string) {
msg := <-pings
pongs <- msg
}
func main() {
pings := make(chan string, 1)
pongs := make(chan string, 1)
ping(pings, "passed message")
pong(pings, pongs)
fmt.Println(<-pongs)
}