Hello, and welcome to Wikipedia. This is a message letting you know that one or more of your recent edits to Emerald, Victoria have been undone by an automated computer program called ClueBot NG.

• ClueBot NG makes very few mistakes, but it does happen. If you believe the change you made was constructive, please read about it, report it here, remove this message from your talk page, and then make the edit again.
• For help, take a look at the introduction.
• The following is the log entry regarding this message: Emerald, Victoria was changed by 180.150.37.222 (u) (t) ANN scored at 0.885607 on 2022-11-03T10:02:35+00:00

Thank you. ClueBot NG (talk) 10:02, 3 November 2022 (UTC)[reply]

Hi! I noticed your edit on Covariance and contravariance (computer science) and wanted to welcome you to the Wikipedia community. I hope you like it here and decide to stay :)

You are welcome to edit anonymously, however creating an account is free and has several benefits, for example, the ability to create pages, to upload media, and to edit without your IP address being visible to the public.

Create an account

As you get started, you may find this short tutorial helpful:

Learn more about editing

• Alternatively, the contributing to Wikipedia page covers the same topics.
• If you have any questions, we have a friendly space where experienced editors can help you here:

  Get help at the Teahouse

If you are not sure where to help out, you can find a task here:

Volunteer at the Task Center

Happy editing!

— W.andrea (talk) 13:07, 18 March 2025 (UTC)[reply]