Duals

Dual-Ownership Reference Cells

These are similar to Rc and Arc, but ensure that only two references exist.

• Documentation
• crates.io
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Example

```rust use duals::Dual;

// create a new Dual let (left, right) = Dual::new(10);

// use both println!("{:?} {:?}", *left, *right);

// drop one reference drop(left);

// we can still use the other println!("{:?}", *right);

// drop the other reference; value is dropped drop(right); ```