Put everything behind a 'stable' feature

Cargo.toml

@@ -21,8 +21,10 @@ features = ["docs"]
 rustdoc-args = ["--cfg", "feature=\"docs\""]
 
 [features]
+default = ["stable"]
 docs = ["unstable"]
 unstable = ["broadcaster"]
+stable = []
 
 [dependencies]
 async-macros = "1.0.0"

src/lib.rs

@@ -49,6 +49,18 @@
 #![doc(html_logo_url = "https://async.rs/images/logo--hero.svg")]
 #![recursion_limit = "2048"]
 
+/// Declares stable items.
+#[doc(hidden)]
+macro_rules! cfg_stable {
+    ($($item:item)*) => {
+        $(
+            #[cfg(feature = "stable")]
+            $item
+        )*
+    }
+}
+
+cfg_stable! {
     #[macro_use]
     mod utils;
 
@@ -79,3 +91,4 @@ cfg_unstable! {
     }
 
     mod macros;
+}

src/prelude.rs

@@ -23,8 +23,6 @@ pub use crate::io::Seek as _;
 pub use crate::io::Write as _;
 #[doc(no_inline)]
 pub use crate::stream::Stream;
-#[doc(no_inline)]
-pub use crate::task_local;
 
 #[doc(hidden)]
 pub use crate::future::future::FutureExt as _;