Add core::future::IntoFuture

This patch adds `core::future::IntoFuture`. However unlike earlier PRs this patch does not integrate it into the `async/.await` lowering. That integration should be done in a follow-up PR.

1 files changed, 4 insertions, 0 deletions

diff --git a/src/libcore/future/mod.rs b/src/libcore/future/mod.rs
index b5a102916a0..6f6009b47e6 100644
--- a/src/libcore/future/mod.rs
+++ b/src/libcore/future/mod.rs
@@ -10,12 +10,16 @@ use crate::{
 };
 
 mod future;
+mod into_future;
 mod pending;
 mod ready;
 
 #[stable(feature = "futures_api", since = "1.36.0")]
 pub use self::future::Future;
 
+#[unstable(feature = "into_future", issue = "67644")]
+pub use into_future::IntoFuture;
+
 #[unstable(feature = "future_readiness_fns", issue = "70921")]
 pub use pending::{pending, Pending};
 #[unstable(feature = "future_readiness_fns", issue = "70921")]