Add 2024-03: Macros by simple Examples

_posts/2024-03-06-macros-by-simple-example.md

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+---
+title: "Macros by simple Examples"
+date: 2024-03-06 19:15:00 MEZ
+categories: meetup cologne
+links:
+    "Meetup.com": "https://www.meetup.com/rustcologne/events/299530888/"
+    "Planning discussion on Github": "https://github.com/Rustaceans/rust-cologne/issues/115"
+location: c4
+---
+Dear Rustaceans,
+
+our next Meetup will be on **Wednesday 2024-03-06, 19:15 CET**.
+
+Florob will give you a introduction on [Macros by Example](https://doc.rust-lang.org/book/ch19-06-macros.html#declarative-macros-with-macro_rules-for-general-metaprogramming).
+You'll learn how they work, what they are good for and what their limitations are.
+We'll talk about the differences to C-macros and other macros techniques Rust has to offer (proc and derive macros).
+
+In the remaining time we'll talk about whatever Rust-related topic you like. It all depends on your interests. You can enjoy some drinks, meet nice people and discuss about Rust.
+
+**[You can register here](https://www.meetup.com/rustcologne/events/299530888/)**
+
+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.