use inquire::{min_length, Password, PasswordDisplayMode}; fn main() { let name = Password::new("RSA Encryption Key:") .with_display_toggle_enabled() .with_display_mode(PasswordDisplayMode::Masked) .with_validator(min_length!(10)) .with_formatter(&|_| String::from("Input received")) .with_help_message("It is recommended to generate a new one only for this purpose") .with_custom_confirmation_error_message("The keys don't match.") .prompt(); match name { Ok(_) => println!("This doesn't look like a key."), Err(_) => println!("An error happened when asking for your key, try again later."), } }