package main
import (
"fmt"
"reflect"
)
func main() {
a := []int{3, 1, 8}
rv := reflect.ValueOf(a)
fmt.Printf("len(a): %d\n", rv.Len())
fmt.Printf("cap(a): %d\n", rv.Cap())
fmt.Printf("slice kind: '%s'\n", rv.Kind().String())
fmt.Printf("element type: '%s'\n", rv.Type().Elem().Name())
el := rv.Index(0).Interface()
fmt.Printf("a[0]: %v\n", el)
elRef := rv.Index(1)
fmt.Printf("elRef.CanAddr(): %v\n", elRef.CanAddr())
fmt.Printf("elRef.CanSet(): %v\n", elRef.CanSet())
elRef.SetInt(5)
fmt.Printf("a: %v\n", a)
}
