doc: fix typos in laws_of_reflection article, add copyright notice.
Update #2547.
R=golang-dev, minux.ma, r, r, adg
CC=golang-dev
https://golang.org/cl/5755051
diff --git a/doc/progs/interface2.go b/doc/progs/interface2.go
index e2716cf..2deba32 100644
--- a/doc/progs/interface2.go
+++ b/doc/progs/interface2.go
@@ -1,3 +1,9 @@
+// Copyright 2012 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// This file contains the code snippets included in "The Laws of Reflection."
+
package main
import (
@@ -39,11 +45,14 @@
type MyInt int
var x MyInt = 7
v := reflect.ValueOf(x)
+ // STOP OMIT
// START f3b OMIT
y := v.Interface().(float64) // y will have type float64.
fmt.Println(y)
+ // STOP OMIT
// START f3c OMIT
fmt.Println(v.Interface())
+ // STOP OMIT
// START f3d OMIT
fmt.Printf("value is %7.1e\n", v.Interface())
// STOP OMIT
@@ -69,6 +78,7 @@
// START f6 OMIT
var x float64 = 3.4
v := reflect.ValueOf(x)
+ // STOP OMIT
// START f6b OMIT
v.SetFloat(7.1)
// STOP OMIT
@@ -80,9 +90,11 @@
p := reflect.ValueOf(&x) // Note: take the address of x.
fmt.Println("type of p:", p.Type())
fmt.Println("settability of p:", p.CanSet())
+ // STOP OMIT
// START f7b OMIT
v := p.Elem()
fmt.Println("settability of v:", v.CanSet())
+ // STOP OMIT
// START f7c OMIT
v.SetFloat(7.1)
fmt.Println(v.Interface())
@@ -104,6 +116,7 @@
fmt.Printf("%d: %s %s = %v\n", i,
typeOfT.Field(i).Name, f.Type(), f.Interface())
}
+ // STOP OMIT
// START f8b OMIT
s.Field(0).SetInt(77)
s.Field(1).SetString("Sunset Strip")
