rules:
  - id: wrong-lock-unlock
    patterns:
        - pattern-either:
              - pattern: |
                  $M.Lock()
                  defer $M.RUnlock()
              - pattern: |
                  $M.RLock()
                  defer $M.Unlock()
              - pattern: |
                  $M.Lock()
                  defer $M.Lock()
              - pattern: |
                  $M.RLock()
                  defer $M.RLock()
    message: "Wrong lock/unlock pair?"
    languages: [go]
    severity: ERROR