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Implement AppendBar trait for String type

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Rock070 2024-01-02 23:56:12 +08:00
parent 7e523787e1
commit 6d67fc122f
1 changed files with 5 additions and 0 deletions
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5
exercises/15_traits/traits1.rs
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@ -15,6 +15,11 @@ trait AppendBar {
impl AppendBar for String { impl AppendBar for String {
// TODO: Implement `AppendBar` for type `String`. // TODO: Implement `AppendBar` for type `String`.
fn append_bar(self) -> String {
let str = self.to_string().push_str("Bar");
str
}
} }
fn main() { fn main() {