From f2eb3fbb17b8ed0b29b1ff1acab7ce4fccb64e23 Mon Sep 17 00:00:00 2001 From: Hunter Kvalevog Date: Mon, 14 Sep 2026 17:35:40 -0500 Subject: rustlings: complete 00 and 01 --- rustlings/solutions/01_variables/variables4.rs | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) (limited to 'rustlings/solutions/01_variables/variables4.rs') diff --git a/rustlings/solutions/01_variables/variables4.rs b/rustlings/solutions/01_variables/variables4.rs index dcf2377..7de6bcb 100644 --- a/rustlings/solutions/01_variables/variables4.rs +++ b/rustlings/solutions/01_variables/variables4.rs @@ -1,4 +1,9 @@ fn main() { - // DON'T EDIT THIS SOLUTION FILE! - // It will be automatically filled after you finish the exercise. + // In Rust, variables are immutable by default. + // Adding the `mut` keyword after `let` makes the declared variable mutable. + let mut x = 3; + println!("Number {x}"); + + x = 5; + println!("Number {x}"); } -- cgit v1.2.3