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