joao-r-reis commented on code in PR #1889:
URL: 
https://github.com/apache/cassandra-gocql-driver/pull/1889#discussion_r2123744814


##########
session.go:
##########
@@ -454,6 +454,10 @@ func (s *Session) Bind(stmt string, b func(q *QueryInfo) 
([]interface{}, error))
 // Close closes all connections. The session is unusable after this
 // operation.
 func (s *Session) Close() {
+       // Closing a nil session is a non-event, return.
+       if s == nil {

Review Comment:
   I think that whole section is related to checks that the function is already 
performing and deciding whether to return an error or deliberately calling 
`panic()`. I don't see any reference to receiver `nil` checks.
   
   Even in their example they don't check the receiver for `nil`:
   
   ```
   func (e *PathError) Error() string {
       return e.Op + " " + e.Path + ": " + e.Err.Error()
   }
   ```



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