Add a OnceCell type (#27)

Author: notgull

Cargo.toml

@@ -15,12 +15,12 @@ categories = ["asynchronous", "concurrency"]
 exclude = ["/.*"]
 
 [dependencies]
+futures-lite = "1.11.0"
 event-listener = "2.5.1"
 
 [dev-dependencies]
 async-channel = "1.5.0"
 fastrand = "1.4.0"
-futures-lite = "1.11.0"
 
 [target.'cfg(any(target_arch = "wasm32", target_arch = "wasm64"))'.dev-dependencies]
 wasm-bindgen-test = "0.3"

src/lib.rs

@@ -11,10 +11,12 @@
 
 mod barrier;
 mod mutex;
+mod once_cell;
 mod rwlock;
 mod semaphore;
 
 pub use barrier::{Barrier, BarrierWaitResult};
 pub use mutex::{Mutex, MutexGuard, MutexGuardArc};
+pub use once_cell::OnceCell;
 pub use rwlock::{RwLock, RwLockReadGuard, RwLockUpgradableReadGuard, RwLockWriteGuard};
 pub use semaphore::{Semaphore, SemaphoreGuard, SemaphoreGuardArc};