expose std::pin

Signed-off-by: Yoshua Wuyts <yoshuawuyts@gmail.com>

Author: yoshuawuyts

src/lib.rs

@@ -51,5 +51,6 @@ pub mod prelude;
 pub mod stream;
 pub mod sync;
 pub mod task;
+pub mod pin;
 
 pub(crate) mod utils;

src/pin.rs

@@ -0,0 +1,4 @@
+//! Types that pin data to its location in memory.
+
+#[doc(inline)]
+pub use std::pin::Pin;