# Trench Map

A high-performance, immutable map structure implementation for TypeScript.

## Usage

```typescript
import { TrenchMap } from "trench-map";

const map = new TrenchMap<string, number>();
const newMap = map.set("key", 1);

console.log(map.get("key")); // undefined
console.log(newMap.get("key")); // 1
```