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| type DriverPg struct { | |
| conn string | |
| } | |
| var instance *DriverPg | |
| func Connect() *DriverPg { | |
| instance = &DriverPg{conn: "DriverConnectPostgres"} | |
| return instance | |
| } | |
| func init() { | |
| Connect() | |
| } | |
| func main() { | |
| // chamada | |
| go func() { | |
| time.Sleep(time.Millisecond * 600) | |
| fmt.Println(instance.conn) | |
| }() | |
| go func() { | |
| fmt.Println(*Connect()) | |
| }() | |
| // 100 goroutine | |
| for i := 0; i < 100; i++ { | |
| go func(ix int) { | |
| time.Sleep(time.Millisecond * 60) | |
| fmt.Println(ix, " = ", instance.conn) | |
| }(i) | |
| } | |
| fmt.Scanln() | |
| } |
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