atomic-ref2 0.2.1

Provides AtomicOptionRef and AtomicRef. Intended to map to java.util.concurrent.atomic.AtomicReference in Java.
Documentation 
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use super::AtomicOptionRef;
use std::sync::Arc;

/// An atomic reference that may be updated atomically.
pub struct AtomicRef<T> {
    inner: AtomicOptionRef<T>,
}

impl<T> AtomicRef<T> {
    /// Creates a new atomic reference with a default initial value.
    pub fn new() -> Self
    where
        T: Default,
    {
        Self::default()
    }

    /// Creates a new atomic reference from the given initial value.
    pub fn from(value: impl Into<Arc<T>>) -> Self {
        Self {
            inner: AtomicOptionRef::from(value.into()),
        }
    }

    /// Loads and returns a reference to the value.
    pub fn load(&self) -> Arc<T> {
        self.inner.load().unwrap()
    }

    /// Stores the value.
    pub fn store(&self, value: impl Into<Arc<T>>) {
        self.inner.store(value.into())
    }

    /// Swaps the value, returning the previous value.
    pub fn swap(&self, value: impl Into<Arc<T>>) -> Arc<T> {
        self.inner.swap(value.into()).unwrap()
    }
}

impl<T> Default for AtomicRef<T>
where
    T: Default,
{
    fn default() -> Self {
        Self::from(T::default())
    }
}