// RUN: llgo -o %t %s // RUN: %t 2>&1 | FileCheck %s // CHECK: sent a value // CHECK-NEXT: received 123 // CHECK-NEXT: default package main func f1() { c := make(chan int, 1) for i := 0; i < 3; i++ { select { case n, _ := <-c: println("received", n) c = nil case c <- 123: println("sent a value") default: println("default") } } } func main() { f1() }