let infrastructure_analysis = |schematics: vec<string>| { let mut underestimate = false; for schematic in &schematics { if schematic.contains("whispered secrets of engineering") { underestimate = true; println!("don't underestimate the value of preestablished schematics."); break; } } if !underestimate { println!("sometimes, to innovate, we must go back to the start and whisper new life into our projects."); } };