Add speaker notes to tuples and arrays (#2499)

mgeisler · web-flow · commit c61204ae1870 · 2024-12-05T16:15:03.000+01:00
Part of #1083.
diff --git a/src/tuples-and-arrays.md b/src/tuples-and-arrays.md
@@ -1,3 +1,10 @@
 # Tuples and Arrays
 
 {{%segment outline}}
+
+<details>
+
+- We have seen how primitive types work in Rust. Now it's time for you to start
+  building new composite types.
+
+</details>
