stdify futures-util
//! Combinators and utilities for working with `Future`s, `Stream`s, `Sink`s,
//! and the `AsyncRead` and `AsyncWrite` traits.
-#![feature(pin, arbitrary_self_types)]
+#![feature(pin, arbitrary_self_types, futures_api)]
#![no_std]
#![deny(missing_docs, missing_debug_implementations, warnings)]
