// will only accept sends (`chan <-`) if there is a

// corresponding receive (`<- chan`) ready to receive the

// sent value. _Buffered channels_ accept a limited

// number of  values without a corresponding receiver for

// those values.

​

package main

​

import "fmt"

​

func main() {

​

    // Here we `make` a channel of strings buffering up to

    // 2 values.

    messages := make(chan string, 2)

​

    // Because this channel is buffered, we can send these

    // values into the channel without a corresponding

    // concurrent receive.

    messages <- "buffered"

    messages <- "channel"

​

    // Later we can receive these two values as usual.

    fmt.Println(<-messages)

    fmt.Println(<-messages)

}

​