pub mod routing;
#[cfg(feature = "std")]
-use std::io;
+/// Re-export of either `core2::io` or `std::io`, depending on the `std` feature flag.
+pub use std::io;
#[cfg(not(feature = "std"))]
-use core2::io;
+/// Re-export of either `core2::io` or `std::io`, depending on the `std` feature flag.
+pub use core2::io;
#[cfg(not(feature = "std"))]
mod io_extras {