1 files changed, 0 insertions, 42 deletions
diff --git a/doc/progs/json2.go b/doc/progs/json2.go
deleted file mode 100644
index 6089ae6710..0000000000
--- a/doc/progs/json2.go
+++ /dev/null
@@ -1,42 +0,0 @@
-// 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.
-
-package main
-
-import (
-	"fmt"
-	"math"
-)
-
-func InterfaceExample() {
-	var i interface{}
-	i = "a string"
-	i = 2011
-	i = 2.777
-
-	// STOP OMIT
-
-	r := i.(float64)
-	fmt.Println("the circle's area", math.Pi*r*r)
-
-	// STOP OMIT
-
-	switch v := i.(type) {
-	case int:
-		fmt.Println("twice i is", v*2)
-	case float64:
-		fmt.Println("the reciprocal of i is", 1/v)
-	case string:
-		h := len(v) / 2
-		fmt.Println("i swapped by halves is", v[h:]+v[:h])
-	default:
-		// i isn't one of the types above
-	}
-
-	// STOP OMIT
-}
-
-func main() {
-	InterfaceExample()
-}