34 lines
736 B
Rust
34 lines
736 B
Rust
// traits2.rs
|
|
//
|
|
// Your task is to implement the trait
|
|
// `AppendBar' for a vector of strings.
|
|
//
|
|
// To implement this trait, consider for
|
|
// a moment what it means to 'append "Bar"'
|
|
// to a vector of strings.
|
|
//
|
|
// No boiler plate code this time,
|
|
// you can do this!
|
|
//
|
|
// If you need help, open the corresponding README.md or run: rustlings hint traits2
|
|
|
|
// I AM NOT DONE
|
|
|
|
trait AppendBar {
|
|
fn append_bar(self) -> Self;
|
|
}
|
|
|
|
// TODO: Add your code here
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn is_vec_pop_eq_bar() {
|
|
let mut foo = vec![String::from("Foo")].append_bar();
|
|
assert_eq!(foo.pop().unwrap(), String::from("Bar"));
|
|
assert_eq!(foo.pop().unwrap(), String::from("Foo"));
|
|
}
|
|
}
|