Revert "Disable async-std and tokio support for now."

This reverts commit ac36f51.

Tokio now supports IO Safety: tokio-rs/mio#1745

Author: glitch003

README.md

@@ -15,7 +15,4 @@
 This crate defines the [`CharDevice`] struct, a simple wrapper around
 `std::fs::File` for character devices.
 
-Support for async-std and tokio is temporarily disabled until those crates
-contain the needed implementations of the I/O safety traits.
-
 [`CharDevice`]: https://docs.rs/char-device/latest/char_device/struct.CharDevice.html

src/lib.rs

@@ -4,22 +4,14 @@
 #![cfg_attr(can_vector, feature(can_vector))]
 #![cfg_attr(write_all_vectored, feature(write_all_vectored))]
 
-/*
 #[cfg(feature = "async-std")]
 mod async_std;
-*/
 mod char_device;
-/*
 #[cfg(feature = "tokio")]
 mod tokio;
-*/
 
-/*
 #[cfg(feature = "async-std")]
 pub use crate::async_std::AsyncStdCharDevice;
-*/
 pub use crate::char_device::CharDevice;
-/*
 #[cfg(feature = "tokio")]
 pub use crate::tokio::TokioCharDevice;
-*/

tests/null.rs

@@ -1,12 +1,8 @@
-/*
 #[cfg(feature = "async-std")]
 use char_device::AsyncStdCharDevice;
-*/
 use char_device::CharDevice;
-/*
 #[cfg(feature = "tokio")]
 use char_device::TokioCharDevice;
-*/
 
 #[test]
 fn null() {
@@ -19,7 +15,6 @@ fn null() {
     assert_eq!(char_device.read(&mut buf).unwrap(), 0);
 }
 
-/*
 #[cfg(feature = "async-std")]
 #[async_std::test]
 async fn async_std_null() {
@@ -43,4 +38,3 @@ async fn tokio_null() {
     let mut buf = vec![0_u8; 32];
     assert_eq!(char_device.read(&mut buf).await.unwrap(), 0);
 }
-*/

tests/tty.rs

@@ -1,14 +1,10 @@
 #![cfg(unix)]
 
-/*
 #[cfg(feature = "async-std")]
 use char_device::AsyncStdCharDevice;
-*/
 use char_device::CharDevice;
-/*
 #[cfg(feature = "tokio")]
 use char_device::TokioCharDevice;
-*/
 
 #[test]
 fn tty() {
@@ -25,7 +21,6 @@ fn tty() {
     };
 }
 
-/*
 #[cfg(feature = "async-std")]
 #[async_std::test]
 async fn async_std_tty() {
@@ -57,4 +52,3 @@ async fn tokio_tty() {
         },
     };
 }
-*/