use ra_ide_api::FileId; use rustc_hash::FxHashSet; #[derive(Default)] pub(crate) struct Subscriptions { subs: FxHashSet<FileId>, } impl Subscriptions { pub(crate) fn add_sub(&mut self, file_id: FileId) { self.subs.insert(file_id); } pub(crate) fn remove_sub(&mut self, file_id: FileId) { self.subs.remove(&file_id); } pub(crate) fn subscriptions(&self) -> Vec<FileId> { self.subs.iter().cloned().collect() } }