reflect.Index() Function in Golang with Examples

// Golang program to illustrate 
// reflect.Index() Function 
 
package main 
  
import ( 
    "fmt"
    "reflect"
) 
  
func main() {
    data := []string{"Geeks1", "Geeks2", "Geeks3"}
    test(data)
    data1 := []int{1, 2, 3}
    test(data1)
}

func test(t interface{}) {
    switch reflect.TypeOf(t).Kind() {
    case reflect.Slice:
        s := reflect.ValueOf(t)
        
        for i := 0; i < s.Len(); i++ {
            fmt.Println(s.Index(i))
        }
    }
}

// Golang program to illustrate 
// reflect.Index() Function 
 
package main
  
import (
    "fmt"
    "reflect"
)
 
func InvertSlice(args []reflect.Value) (result []reflect.Value) {
    inSlice, n := args[0], args[0].Len()
    outSlice := reflect.MakeSlice(inSlice.Type(), 0, n)
    for i := n-1; i >= 0; i-- {

    //Use of Index() method
        element := inSlice.Index(i)
        outSlice = reflect.Append(outSlice, element)
    }
    return []reflect.Value{outSlice}
}
 
func Bind(p interface{}, f func ([]reflect.Value) []reflect.Value) {
 
    invert := reflect.ValueOf(p).Elem()
    invert.Set(reflect.MakeFunc(invert.Type(), f))
}
 
  
// Main function
func main() {
 
    var invertInts func([]int) []int
    Bind(&invertInts, InvertSlice)
    fmt.Println(invertInts([]int{1, 2, 3, 4, 2, 3, 5}))
 
}