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for 循环

for 循环

作者: anthonydan | 来源:发表于2020-03-20 10:09 被阅读0次

经典坑
错误:得到的全是相同的地址
type student struct {
Name string
Age int
}
func main() {
m := make(map[string]student)
stus := []student{
{Name: "zhou",Age: 24},
{Name: "li",Age: 23},
{Name: "wang",Age: 22},
}
for _,stu := range stus {
m[stu.Name] = &stu
}
fmt.Println(m)
}
正确:修改值也一样
type student struct {
Name string
Age int
}
func main() {
m := make(map[string]
student)
stus := []student{
{Name: "zhou",Age: 24},
{Name: "li",Age: 23},
{Name: "wang",Age: 22},
}
for k,stu := range stus {
m[stu.Name] = &stus[k]
}
fmt.Println(m)
}

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