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// Copyright (c) The Diem Core Contributors
// SPDX-License-Identifier: Apache-2.0
mod math;
mod mutex;
mod nonzero;
mod rwlock;
mod time;
pub use math::ArithmeticError;
pub use mutex::{Mutex, MutexGuard};
pub use rwlock::{RwLock, RwLockReadGuard, RwLockWriteGuard};
pub use time::duration_since_epoch;