From c3e3dc602090f1afbfa9a3e052b6f7f91a7bf3e0 Mon Sep 17 00:00:00 2001
From: gendx <gendx@users.noreply.github.com>
Date: Mon, 6 Feb 2023 16:38:01 +0000
Subject: [PATCH] Add speaker notes for
 pattern-matching/destructuring-arrays.md (#346)

---
 src/pattern-matching/destructuring-arrays.md | 23 ++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/src/pattern-matching/destructuring-arrays.md b/src/pattern-matching/destructuring-arrays.md
index 1d268115..d4b1ff13 100644
--- a/src/pattern-matching/destructuring-arrays.md
+++ b/src/pattern-matching/destructuring-arrays.md
@@ -5,3 +5,26 @@ You can destructure arrays, tuples, and slices by matching on their elements:
 ```rust,editable
 {{#include ../../third_party/rust-by-example/destructuring-arrays.rs}}
 ```
+
+<details>
+
+Destructuring of slices of unknown length also works with patterns of fixed length.
+
+```rust,editable
+fn main() {
+    inspect(&[0, -2, 3]);
+    inspect(&[0, -2, 3, 4]);
+}
+
+#[rustfmt::skip]
+fn inspect(slice: &[i32]) {
+    println!("Tell me about {slice:?}");
+    match slice {
+        &[0, y, z] => println!("First is 0, y = {y}, and z = {z}"),
+        &[1, ..]   => println!("First is 1 and the rest were ignored"),
+        _          => println!("All elements were ignored"),
+    }
+}
+```
+
+</details>