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traits2 solution

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This commit is contained in:
mo8it
2024-06-27 11:58:44 +02:00
parent 92f249a52c
commit 091e1e7f7a
3 changed files with 37 additions and 19 deletions
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13
exercises/15_traits/traits2.rs
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@ -1,14 +1,9 @@
// 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!
trait AppendBar {
fn append_bar(self) -> Self;
}
// TODO: Implement trait `AppendBar` for a vector of strings.
// TODO: Implement the trait `AppendBar` for a vector of strings.
// `appned_bar` should push the string "Bar" into the vector.
fn main() {
// You can optionally experiment here.
@ -21,7 +16,7 @@ mod tests {
#[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"));
assert_eq!(foo.pop().unwrap(), "Bar");
assert_eq!(foo.pop().unwrap(), "Foo");
}
}