| // errorcheck | |
| // Copyright 2018 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 p | |
| func f(x interface{}) { | |
| switch x.(type) { | |
| } | |
| switch t := x.(type) { // ERROR "declared and not used" | |
| } | |
| } |