package main
import (
"fmt"
)
type InterfaceConnection interface {
DoSomething() int
}
type MyConnection struct {
id int
}
func (c *MyConnection) DoSomething() int {
fmt.Println("Doing something:", c.id)
return c.id
}
func main() {
Connections := make(map[uint64]InterfaceConnection)
_workerConnections := make(map[uint64]InterfaceConnection)
conn := &MyConnection{id: 1}
Connections[1] = conn
_workerConnections[1] = conn
obj, ok := Connections[1]
fmt.Printf("%v, %v\n", obj, ok)
delete(Connections, 1)
obj, ok = Connections[1]
fmt.Printf("%v, %v\n", obj, ok)
obj, ok = _workerConnections[1]
fmt.Printf("%v, %v\n", obj, ok)
}
&{1}, true
<nil>, false
&{1}, true
确实不会影响另一个
老虎会游泳
