1 files changed, 7 insertions, 0 deletions
diff --git a/src/lib.rs b/src/lib.rs
index a7d399cd..5a17c9c5 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -34,9 +34,16 @@
 #![deny(rust_2018_idioms)]
 #![deny(warnings)]
 #![no_std]
+// async currently requires nightly
+#![cfg_attr(feature = "async", feature(const_fn))]
+#![cfg_attr(feature = "async", feature(type_alias_impl_trait))]
 
 use core::ops::Sub;
 
+// currently requires nightly
+#[cfg(feature = "async")]
+pub mod async_util;
+
 use cortex_m::{
     interrupt::Nr,
     peripheral::{CBP, CPUID, DCB, DWT, FPB, FPU, ITM, MPU, NVIC, SCB, TPIU},