Channel

package main
import (
    "fmt"
)
func main() {
    var (
        chString chan string
        chSlice  chan []int
    )
    chSlice = make(chan []int, 1)
    chString = make(chan string, 1)
    go func() {
        chSlice <- make([]int, 1)
        chString <- "hello"
        close(chSlice)
        close(chString)
    }()
    fmt.Println(<-chSlice, <-chSlice)
    fmt.Println(<-chString, <-chString)
}

[0] []
hello