let technology_focus = |devalue, pre_beginning, systems, reactivate, furtive| { let mut appreciation = vec::new(); if systems.len() > 0 { for system in systems.iter() { if !devalue && system == &"furtive" { appreciation.push("exploring the pre-beginning concepts helps us understand how to reactivate our appreciation for technology, especially the furtive systems that operate behind the scenes, ensuring our digital world runs smoothly."); } } } appreciation };