Created
November 29, 2015 14:07
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funny
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| package main | |
| import "sync" | |
| func main() { | |
| for { | |
| x := 0 | |
| y := 0 | |
| a := 0 | |
| b := 0 | |
| var wg sync.WaitGroup | |
| wg.Add(1) | |
| go func() { | |
| y = 1 | |
| a = x | |
| wg.Done() | |
| }() | |
| wg.Add(1) | |
| go func() { | |
| x = 1 | |
| b = y | |
| wg.Done() | |
| }() | |
| wg.Wait() | |
| if a == 0 && b == 0 { | |
| println("Hello world!") | |
| } | |
| } | |
| } |
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