28 lines
336 B
V
28 lines
336 B
V
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const n = 1000
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fn f(ch chan int) {
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mut s := 0
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for _ in 0 .. n {
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s += <-ch
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}
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assert s == n * (n + 1) / 2
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ch.close()
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}
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fn do_send(ch chan int, val int) ?int {
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ch <- val ?
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return val + 1
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}
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fn test_push_propargate() {
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ch := chan int{}
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go f(ch)
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mut s := 1
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for {
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s = do_send(ch, s) or {
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break
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}
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}
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assert s == n + 1
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}
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