Phased out async-stream in pursuit of compile performance

orchid-base/Cargo.toml

@@ -6,11 +6,11 @@ edition = "2024"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+async-fn-stream = { version = "0.1.0", path = "../async-fn-stream" }
 async-once-cell = "0.5.4"
-async-stream = "0.3.6"
 derive_destructure = "1.0.0"
 dyn-clone = "1.0.20"
-futures = { version = "0.3.31", features = ["std"] }
+futures = { version = "0.3.31", features = ["std"], default-features = false }
 hashbrown = "0.16.0"
 itertools = "0.14.0"
 lazy_static = "1.5.0"

orchid-base/src/tree.rs

@@ -4,7 +4,7 @@ use std::future::Future;
 use std::marker::PhantomData;
 use std::rc::Rc;
 
-use async_stream::stream;
+use async_fn_stream::stream;
 use futures::future::join_all;
 use futures::{FutureExt, StreamExt};
 use itertools::Itertools;
@@ -195,11 +195,11 @@ pub async fn ttv_from_api<H: ExprRepr, X: ExtraTok>(
 	src: &Sym,
 	i: &Interner,
 ) -> Vec<TokTree<H, X>> {
-	stream! {
+	stream(async |mut cx| {
 		for tok in tokv {
-			yield TokTree::<H, X>::from_api(tok.borrow(), hctx, xctx, src, i).boxed_local().await
+			cx.emit(TokTree::<H, X>::from_api(tok.borrow(), hctx, xctx, src, i).boxed_local().await).await
 		}
-	}
+	})
 	.collect()
 	.await
 }
@@ -209,11 +209,11 @@ pub async fn ttv_into_api<H: ExprRepr, X: ExtraTok>(
 	hctx: &mut H::ToApiCtx<'_>,
 	xctx: &mut X::ToApiCtx<'_>,
 ) -> Vec<api::TokenTree> {
-	stream! {
+	stream(async |mut cx| {
 		for tok in tokv {
-			yield tok.into_api(hctx, xctx).await
+			cx.emit(tok.into_api(hctx, xctx).await).await
 		}
-	}
+	})
 	.collect()
 	.await
 }