From 84a954a0cafdf372393eebcd209cb363c0a19e36 Mon Sep 17 00:00:00 2001
From: Rowan Torbitzky-Lane <rowan.a.tl@protonmail.com>
Date: Thu, 20 Mar 2025 13:49:55 -0500
Subject: [PATCH] finish ch4.2

---
 ch4/refs_and_borrow/src/main.rs | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/ch4/refs_and_borrow/src/main.rs b/ch4/refs_and_borrow/src/main.rs
index 5be8cb2..3bcdced 100644
--- a/ch4/refs_and_borrow/src/main.rs
+++ b/ch4/refs_and_borrow/src/main.rs
@@ -100,8 +100,13 @@ fn main() {
     // -----------------------------------------------------------------------------
     // Data must outlive all of its references
 
-    // Ended at:
-    // https://rust-book.cs.brown.edu/ch04-02-references-and-borrowing.html#summary
+    // -----------------------------------------------------------------------------
+    // Summary
+
+    // References provide ability to read/write data with consuming ownership.
+    // References created with borrows (& and &mut) used dereferenced with * (often implictly)
+
+    // Off to fixing ownership issues in ch4.3
 }
 
 fn greet(g1: String, g2: String) {