| // Copyright 2024 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. |
| |
| //go:build !go1.24 |
| |
| package unfortunate |
| |
| import "sync" |
| |
| // TODO: Unfortunate cases |
| |
| // Non-ideal error message: |
| // Since we're looking for Lock methods, sync.Once's underlying |
| // sync.Mutex gets called out, but without any reference to the sync.Once. |
| type LocalOnce sync.Once |
| |
| func (LocalOnce) Bad() {} // want `Bad passes lock by value: unfortunate.LocalOnce contains sync.\b.*` |
| |
| // False negative: |
| // LocalMutex doesn't have a Lock method. |
| // Nevertheless, it is probably a bad idea to pass it by value. |
| type LocalMutex sync.Mutex |
| |
| func (LocalMutex) Bad() {} // WANTED: An error here :( |
