3 // Copyright 2011 The Go Authors. All rights reserved.
4 // Use of this source code is governed by a BSD-style
5 // license that can be found in the LICENSE file.
11 func f(x interface{}) {
12 switch t := x.(type) { // ERROR "declared and not used"
17 func g(x interface{}) {
18 switch t := x.(type) {
25 func h(x interface{}) {
26 switch t := x.(type) {