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More Results in traits

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This commit is contained in:
daladim 2021-03-21 23:53:42 +01:00
parent def17b6218
commit cbffef8b97
3 changed files with 7 additions and 7 deletions
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8
src/traits.rs
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@ -45,7 +45,7 @@ pub trait PartialCalendar {
-> Result<HashMap<ItemId, &Item>, Box<dyn Error>>;
/// Get the IDs of all current items in this calendar
async fn get_item_ids(&mut self) -> HashSet<ItemId>;
async fn get_item_ids(&self) -> Result<HashSet<ItemId>, Box<dyn Error>>;
/// Returns a particular item
async fn get_item_by_id_mut<'a>(&'a mut self, id: &ItemId) -> Option<&'a mut Item>;
@ -68,9 +68,9 @@ pub trait PartialCalendar {
}
/// Finds the IDs of the items that are missing compared to a reference set
async fn find_deletions_from(&mut self, reference_set: HashSet<ItemId>) -> HashSet<ItemId> {
let current_items = self.get_item_ids().await;
reference_set.difference(&current_items).map(|id| id.clone()).collect()
async fn find_deletions_from(&self, reference_set: HashSet<ItemId>) -> Result<HashSet<ItemId>, Box<dyn Error>> {
let current_items = self.get_item_ids().await?;
Ok(reference_set.difference(&current_items).map(|id| id.clone()).collect())
}
}