:cherries: [@data-structure/pairs](https://data-structures-and-algorithms.github.io/pairs)
==

Pairs set for JavaScript.
See [docs](https://data-structures-and-algorithms.github.io/pairs/index.html).

> :warning: The code requires `regeneratorRuntime` to be defined, for instance by importing
> [regenerator-runtime/runtime](https://www.npmjs.com/package/regenerator-runtime).

```js
import {EfficientlyInvertiblePairs as Pairs} from '@data-structure/pairs';
const pairs = Pairs.from(['ab', [1,2], [1,3]]);
pairs.left(); // a 1
pairs.right(); // b 2 3
pairs.invert().right(); // a 1
pairs.leftOf(3); // 1
pairs.rightOf(1); // 2 3
pairs.has([1, 2]); // true
pairs.add('bc');
...
```

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