use std::thread; use std::time::Duration; fn simulated_expensive_calculation(intensity: u32) -> u32 { println!("calculating slowly..."); thread::sleep(Duration::from_secs(2)); intensity } // ANCHOR: here fn generate_workout(intensity: u32, random_number: u32) { let expensive_result = simulated_expensive_calculation(intensity); if intensity < 25 { println!("Today, do {} pushups!", expensive_result); println!("Next, do {} situps!", expensive_result); } else { if random_number == 3 { println!("Take a break today! Remember to stay hydrated!"); } else { println!("Today, run for {} minutes!", expensive_result); } } } // ANCHOR_END: here fn main() { let simulated_user_specified_value = 10; let simulated_random_number = 7; generate_workout(simulated_user_specified_value, simulated_random_number); }