cep21 · November 15, 2016 01:57
diff --git a/reflect_panics.go b/reflect_panics.go
 package main

 import (
 	"bytes"
 	"fmt"
 	"reflect"
 )

 func main() {
 	buf := bytes.Buffer{}

 	// Can inspect a private value
 	fmt.Println("Current offset ", reflect.ValueOf(buf).FieldByName("off").Int())

 	// Setting it will panic.  See Value.CanSet
 	reflect.ValueOf(buf).FieldByName("off").Set(reflect.ValueOf(1))
 }
	package main

	import (
	"bytes"
	"fmt"
	"reflect"
	)

	func main() {
	buf := bytes.Buffer{}

	// Can inspect a private value
	fmt.Println("Current offset ", reflect.ValueOf(buf).FieldByName("off").Int())

	// Setting it will panic. See Value.CanSet
	reflect.ValueOf(buf).FieldByName("off").Set(reflect.ValueOf(1))
	}