Darkhogg/polyethylene

<!-- Do not edit this file. It is automatically generated by API Documenter. -->

[Home](./index.md) &gt; [polyethylene](./polyethylene.md) &gt; [IndexedMapping](./polyethylene.indexedmapping.md)

## IndexedMapping type

A function that receives an object (`elem`<!-- -->) and its `index` in the iteration and returns a different object

<b>Signature:</b>

```typescript
export declare type IndexedMapping<T, U> = (elem: T, index: number) => U;
```