Discussion on: My first impressions of Rust

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Replies for: Hi thanks for the detailed response. As I said I do understand the reasoning behind it and I have no problems with shadowing in different scopes, m...

Shadowing is most useful when you are parsing keyboard input:

use std::io;

let mut num = String::new()
io::stdin().read_line(&mut num).expect("Failed to read line");
let num: usize = num.trim().parse().expect("Failed to parse number");
// Continue to use num as immutable usize. The mutable String is now not accessible any more.