channel.go

package main
import "fmt"
import "time"

func yo(c chan int) {
    fmt.Printf("%d\n", <-c)
}

func main() {
    c := make(chan int, 0) // dead lock
    //c := make(chan int, 1) // ok

    c <- 100
    go yo(c)

    time.Sleep(time.Second * 1)
}