// structs3.rs // Structs contain more than simply some data, they can also have logic, in this // exercise we have defined the Package struct and we want to test some logic attached to it, // make the code compile and the tests pass! If you have issues execute `rustlings hint structs3` // I AM NOT DONE #[derive(Debug)] struct Package { from: String, to: String, weight: f32 } impl Package { fn new(from: String, to: String, weight: f32) -> Package { if weight <= 0.0 { // Something goes here... } else { return Package {from, to, weight}; } } fn is_international(&self) -> ??? { // Something goes here... } fn get_fees(&self, cost_per_kg: f32) -> ??? { // Something goes here... } } #[cfg(test)] mod tests { use super::*; #[test] #[should_panic] fn fail_creating_weightless_package() { let country_from = String::from("Spain"); let country_to = String::from("Austria"); Package::new(country_from, country_to, -2.21); } #[test] fn create_international_package() { let country_from = String::from("Spain"); let country_to = String::from("Russia"); let package = Package::new(country_from, country_to, 1.2); assert!(package.is_international()); } #[test] fn calculate_transport_fees() { let country_from = String::from("Spain"); let country_to = String::from("Spain"); let country_fee = ???; let package = Package::new(country_from, country_to, 22.0); assert_eq!(package.get_fees(country_fee), 176.0); } }