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32 lines
419 B
Go
32 lines
419 B
Go
// lazy_evaluation.go
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package main
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import (
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"fmt"
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)
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var resume chan int
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func integers() chan int {
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yield := make(chan int)
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count := 0
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go func() {
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for {
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yield <- count
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count++
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}
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}()
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return yield
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}
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func generateInteger() int {
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return <-resume
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}
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func main() {
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resume = integers()
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fmt.Println(generateInteger()) //=> 0
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fmt.Println(generateInteger()) //=> 1
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fmt.Println(generateInteger()) //=> 2
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}
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