Hi all,
I have a question, interesting:
Why the executes is diferente in these both situations?
Execute A:
[11:19]
```package main
import (
"fmt"
"sync"
"time"
)
var wg sync.WaitGroup
func A() {
time.Sleep(time.Second * 5)
fmt.Println("Função A")
wg.Done()
}
func B() {
fmt.Println("Função B")
wg.Done()
}
func C() {
time.Sleep(time.Second * 5)
fmt.Println("Função C")
wg.Done()
}
func main() {
wg.Add(3)
defer wg.Wait()
go A()
go B()
go C()
}
```
Execute B:
[11:20]
```package main
import (
"fmt"
"sync"
"time"
)
var wg sync.WaitGroup
func A() {
fmt.Println("Função A")
time.Sleep(time.Second * 5)
wg.Done()
}
func B() {
fmt.Println("Função B")
wg.Done()
}
func C() {
fmt.Println("Função C")
time.Sleep(time.Second * 5)
wg.Done()
}
func main() {
wg.Add(3)
defer wg.Wait()
go A()
go B()
go C()
}
```
[11:21]
In execute A, function A and C wait 5 seconds, then prints output. In
execute B no, all the prints executes without respecting time.Sleep.
Someone can explain why?
[11:22]
I only change the order of time.Sleep in functions A and C.
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