Mutable reference syntax - community - The Rust Programming Language Forum
Why was &mut x chosen over mut &x for mutable references? I find the syntax &mut x for mutable references less readable than a hypothetical mut &x. With &x, the & is directly before the variable name, clearly indicating a reference. Adding mut to form mut &x would preserve this structure, keeping & next to the variable for better visual consistency and easier scanning. However, &mut x shifts & left and introduces a space, making it harder to quickly recognize the reference. Were there histori...| The Rust Programming Language Forum
