named_item/
history.rs

1crate::ix!();
2
3/// Provides a history of names an item has had.
4pub trait NameHistory {
5    /// Adds a name to the history.
6    fn add_name_to_history(&mut self, name: &str);
7
8    /// Returns the history of names.
9    fn name_history(&self) -> Vec<Cow<'_, str>>;
10}
11
12/// Trait for setting the name while maintaining a history of changes.
13pub trait SetNameWithHistory: SetName + NameHistory {
14    /// Sets the name and records the change in the name history.
15    fn set_name_with_history(&mut self, name: &str) -> Result<(), NameError> {
16        self.add_name_to_history(name);
17        self.set_name(name)
18    }
19}
named_item/history.rs

named_item/
history.rs
