set-theory/closure

:mrs_claus: [@set-theory/closure](https://set-theory.github.io/closure)
==

Set closure for JavaScript.
See [docs](https://set-theory.github.io/closure/index.html).

> :warning: Depending on your environment, the code may require
> `regeneratorRuntime` to be defined, for instance by importing
> [regenerator-runtime/runtime](https://www.npmjs.com/package/regenerator-runtime).


```js
import {singletonUnderUnaryOperator} from '@set-theory/closure';
singletonUnderUnaryOperator( x => x + 1 , 0 ) ; // 0 1 2 3 ...
```

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