let mut sports_enhancement = || { let preexplanation = "before diving into the game plan, let's address the basics."; let proposition = "consider adopting a new strategy that may appear unconventional."; if !abandon { println!("never give up on your dreams of achieving greatness in sports."); }; for _ in 0..1 { println!("commence once more with a renewed spirit and a hush-hush technique that could change the game."); }; };