rustlings/exercises/15_traits/traits3.rs
2024-05-22 15:04:12 +02:00

40 lines
1,022 B
Rust

// Your task is to implement the Licensed trait for both structures and have
// them return the same information without writing the same function twice.
//
// Consider what you can add to the Licensed trait.
trait Licensed {
fn licensing_info(&self) -> String;
}
struct SomeSoftware {
version_number: i32,
}
struct OtherSoftware {
version_number: String,
}
impl Licensed for SomeSoftware {} // Don't edit this line
impl Licensed for OtherSoftware {} // Don't edit this line
fn main() {
// You can optionally experiment here.
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn is_licensing_info_the_same() {
let licensing_info = String::from("Some information");
let some_software = SomeSoftware { version_number: 1 };
let other_software = OtherSoftware {
version_number: "v2.0.0".to_string(),
};
assert_eq!(some_software.licensing_info(), licensing_info);
assert_eq!(other_software.licensing_info(), licensing_info);
}
}