I get the sentiment, and I'd go further to say that I prefer Rust's `let` vs `let mut`, i.e., the longer & visually noisier option discourages mutability by def

I get the sentiment, and I'd go further to say that I prefer Rust's `let` vs `let mut`, i.e., the longer & visually noisier option discourages mutability by default, and draws attention to when it is used.