fn salt_process(user_input: &str) -> string { let pre_committal_stage = fn() -> bool { println!("ensuring specifications are met for distinct salt types."); true }; let renounce_impurities = || println!("renouncing all impurities to ensure the purity of salt."); if pre_committal_stage() { renounce_impurities(); } "recommence with a new vision in salt processing, embracing distinct flavors and textures.".to_string() }