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Optimize separate constraint for each stream argument.

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Signed-off-by: Jason Volk <jason@zemos.net>
This commit is contained in:
Jason Volk
2025-11-27 11:13:27 +00:00
parent 7666bb63d8
commit e84d6666c0
2 changed files with 7 additions and 5 deletions
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10
src/core/utils/set.rs
View File

@@ -57,9 +57,10 @@ where
/// Intersection of sets
///
/// Outputs the set of elements common to both streams. Streams must be sorted.
pub fn intersection_sorted_stream2<Item, S>(a: S, b: S) -> impl Stream<Item = Item> + Send
pub fn intersection_sorted_stream2<Item, A, B>(a: A, b: B) -> impl Stream<Item = Item> + Send
where
S: Stream<Item = Item> + Send + Unpin,
A: Stream<Item = Item> + Send,
B: Stream<Item = Item> + Send + Unpin,
Item: Eq + PartialOrd + Send + Sync,
{
use tokio::sync::Mutex;
@@ -86,9 +87,10 @@ where
///
/// Outputs the set of elements found in `a` which are not found in `b`. Streams
/// must be sorted.
pub fn difference_sorted_stream2<Item, S>(a: S, b: S) -> impl Stream<Item = Item> + Send
pub fn difference_sorted_stream2<Item, A, B>(a: A, b: B) -> impl Stream<Item = Item> + Send
where
S: Stream<Item = Item> + Send + Unpin,
A: Stream<Item = Item> + Send,
B: Stream<Item = Item> + Send + Unpin,
Item: Eq + PartialOrd + Send + Sync,
{
use tokio::sync::Mutex;

2
src/service/rooms/state_cache/mod.rs
View File

@@ -212,7 +212,7 @@ pub fn get_shared_rooms<'a>(
) -> impl Stream<Item = &RoomId> + Send + 'a {
use tuwunel_core::utils::set;
let a = self.rooms_joined(user_a).boxed();
let a = self.rooms_joined(user_a);
let b = self.rooms_joined(user_b).boxed();
set::intersection_sorted_stream2(a, b)