@ c4

Dear Rustaceans,

our next Meetup will be on Wednesday 2023-09-13, 19:15 CEST.

This September we want to look at the features in Rust that are not used as often. You may not see them as often, nevertheless you will be happy to know about them when you need them.

Some examples are:

  • labeled break/continue
  • higher-kinded types
  • pattern matching in unusual places
  • path specific visibility

We’ll explain a few of them and show example use-cases. If you can think of something that fits the bill feel free to bring your own examples.

After that we will move to open discussion and mingling. As usual, you can enjoy some drinks, meet nice people and discuss about Rust.

You can register here.

We are looking forward to seeing you. :-)

Yours, Kai and Florian

The meetup will likely be held in German, we will however reevaluate this at the beginning of the evening and may switch to English if needed.

COVID-19 measures: We have restricted the maximum number of participants to ensure social distancing is possible. Accordingly we need to know how many people will attend the meetup. Please make sure to register and, in case you are no longer able to attend, cancel your registration.

Feel free to privately send us a message if you think that more safety measures are required.

Location: Chaos Computer Club Cologne (c4) e.V.

Heliosstr. 6a


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  • Via subway lines 3, 4, or 13 to “Venloer Straße/Gürtel” (exit the station towards “Heliosstr./Bezirksverwaltung”)
  • Via bus lines 141, 142, or 143 to “Venloer Straße/Gürtel”
  • Via train to “Köln-Ehrenfeld” (exit the station towards “Venloer Straße”)

Cross Venloer Straße and go into Heliosstraße. After 2–3min you arrive at the last building before an apartment complex labeled “Stayery” (on the right side). The entrance is next to the parking spots.