26 lines
224 B
Go
26 lines
224 B
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"sync"
|
|
)
|
|
|
|
type Hello struct {
|
|
mu sync.Mutex
|
|
}
|
|
|
|
func (h *Hello) Hi() string {
|
|
h.mu.Lock()
|
|
h.mu.Unlock()
|
|
return "hi"
|
|
}
|
|
|
|
func main() {
|
|
a := &Hello{}
|
|
|
|
fmt.Println(a.Hi())
|
|
}
|
|
|
|
// Output:
|
|
// hi
|