mirror of https://github.com/vbatts/talks.git
21 lines
396 B
Go
21 lines
396 B
Go
package main
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// START OMIT
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var ngoroutine = 100000
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func f(left, right chan int) { left <- 1 + <-right }
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func main() {
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leftmost := make(chan int)
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var left, right chan int = nil, leftmost
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for i := 0; i < ngoroutine; i++ {
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left, right = right, make(chan int)
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go f(left, right)
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}
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right <- 0 // bang!
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x := <-leftmost // wait for completion
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println(x) // 100000
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}
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// STOP OMIT
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