1#![no_std] 2 3#[cfg(feature = "alloc")] 4extern crate alloc; 5 6pub mod event; 7pub mod sync; 8pub mod future; 9 10#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)] 11pub enum Either<A, B> { 12 A(A), 13 B(B), 14}