go泛型
package main
import (
"fmt"
)
func PrintAll(vals []interface{}) {
for _, val := range vals {
fmt.Println(val)
}
}
func main() {
//names := []int{1, 2, 3}
names := []string{"1", "2", "3"}
vals := make([]interface{}, len(names))
for i, v := range names {
vals[i] = v
}
PrintAll(vals)
}