0
为什么下面的代码不会惊慌? test
绝对是一个指针。与fmt.Println(people[0].Name)
而不是fmt.Println(test.Name)
它确实恐慌。删除指针值不会恐慌
package main
import "fmt"
func main() {
type Person struct {
Id int
Name string
}
people := make(map[int]*Person)
people[1] = &Person{0, "Name"}
fmt.Println(people[0].Name)
test := people[0]
test.Name = "Name2"
fmt.Println(test.Name)
people[0].Name = "Name3"
fmt.Println(test.Name)
delete(people, 0)
fmt.Println(test.Name)
}
问题中的代码与操场中的代码不同。你问哪一个? – Art