mirror of
https://github.com/golang/go
synced 2024-11-11 18:01:47 -07:00
4360fd8d6f
This matches longstanding compiler behavior. Also, for unused packages, report: `"pkg" imported and not used` `"pkg" imported as X and not used` This matches the other `X declared and not used` errors. For #55326. Change-Id: Ie71cf662fb5f4648449c64fc51bede298a1bdcbf Reviewed-on: https://go-review.googlesource.com/c/go/+/432557 TryBot-Result: Gopher Robot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com> Reviewed-by: Robert Griesemer <gri@google.com> Auto-Submit: Robert Griesemer <gri@google.com> Run-TryBot: Robert Griesemer <gri@google.com>
21 lines
598 B
Go
21 lines
598 B
Go
// errorcheck
|
|
|
|
// Copyright 2019 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.
|
|
|
|
// Verify that various erroneous type switches are caught by the compiler.
|
|
// Does not compile.
|
|
|
|
package main
|
|
|
|
func notused(x interface{}) {
|
|
// The first t is in a different scope than the 2nd t; it cannot
|
|
// be accessed (=> declared and not used error); but it is legal
|
|
// to declare it.
|
|
switch t := 0; t := x.(type) { // ERROR "declared and not used"
|
|
case int:
|
|
_ = t // this is using the t of "t := x.(type)"
|
|
}
|
|
}
|