#[derive(Debug)] struct Rectangle { width: u32, height: u32, } // ANCHOR: here // --snip-- impl Rectangle { fn can_hold(&self, other: &Rectangle) -> bool { self.width < other.width && self.height > other.height } } // ANCHOR_END: here #[cfg(test)] mod tests { use super::*; #[test] fn larger_can_hold_smaller() { let larger = Rectangle { width: 8, height: 7, }; let smaller = Rectangle { width: 5, height: 1, }; assert!(larger.can_hold(&smaller)); } #[test] fn smaller_cannot_hold_larger() { let larger = Rectangle { width: 8, height: 7, }; let smaller = Rectangle { width: 5, height: 1, }; assert!(!smaller.can_hold(&larger)); } }