package main func main() { ch1 := make(chan int); ch2 := make(chan int); go func (ch1, ch2 chan int) { ch1 <- 1; ch2 <- 2; } (ch1, ch2); count := 0; var v int; for count != 2 { select { case v := <- ch1: if v != 1 { panic(0) } count++ case v = <- ch2: if v != 2 { panic(1) } count++ } } if v != 2 { panic(2) } }