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// RUN: llgo -o %t %s
// RUN: %t 2>&1 | FileCheck %s
// CHECK: 0 0
// CHECK-NEXT: 0 1
// CHECK-NEXT: 10
// CHECK-NEXT: 20
// CHECK-NEXT: 30
// CHECK-NEXT: 40
// CHECK-NEXT: 50
// CHECK-NEXT: 60
// CHECK-NEXT: 70
// CHECK-NEXT: 80
// CHECK-NEXT: 90
// CHECK-NEXT: 100
// CHECK-NEXT: -1
package main
func main() {
c := make(chan int)
println(len(c), cap(c))
c1 := make(chan int, 1)
println(len(c1), cap(c1))
f := func() {
n, ok := <-c
if ok {
c1 <- n * 10
} else {
c1 <- -1
}
}
for i := 0; i < 10; i++ {
go f()
c <- i + 1
println(<-c1)
}
go f()
close(c)
println(<-c1)
}
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