From 4313addfdf7b36cc391e2e5fccf87b2acfd79cc0 Mon Sep 17 00:00:00 2001
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 =?UTF-8?q?=D1=91=D0=BC?= <a.vyatkin@npo-echelon.ru>
Date: Thu, 6 Nov 2025 13:46:38 +0300
Subject: [PATCH] =?UTF-8?q?=D0=92=D0=BB=D0=B0=D0=B4=D0=B5=D0=BD=D0=B8?=
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---
 src/main.rs | 22 +++++++++++++++++++++-
 1 file changed, 21 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index e7a11a9..b6211a0 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,3 +1,23 @@
 fn main() {
-    println!("Hello, world!");
+    println!("Base use owership");
+    base_use_owership();
+    println!();
+    println!("Base use borrowing");
+    base_use_borrowing();
+    println!();
+}
+
+fn base_use_owership() {
+    let city = String::from("Moscow");
+    let city_ref = &city;
+
+    println!("City: {}", city);
+    println!("City ref: {}", city_ref);
+}
+
+fn base_use_borrowing() {
+    let mut s1 = "hello".to_string();
+    let s2 = &mut s1;
+    s2.push('!');
+    println!("{}", s1);
 }