> For the complete documentation index, see [llms.txt](https://katxupa.gitbook.io/katxupa/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://katxupa.gitbook.io/katxupa/get-a-taste-of-katxupa/dip-dive/range.md).

# Range

The Range class provides utility methods for working with numeric ranges. It allows you to generate a range of numbers, check if a value is within a specified range, and create aliases for the range methods.

<pre class="language-typescript" data-title="Example Usage"><code class="lang-typescript">rangeTo(0,10,3)
    .forEach(it => console.log(`Index: ${it}`));
// Output:
//    Index: 0
<strong>//    Index: 3
</strong>//    Index: 6
//    Index: 9
</code></pre>

## Functions

### rangeTo

Creates an array representing a range of numbers from start to end (inclusive) with an optional step.

```typescript
const numericRange = rangeTo(1, 5, 2);
console.log(numericRange); // Output: [1, 3, 5]
```

### rangeUntil

Creates an array representing a range of numbers from start to (end - 1) with an optional step.

```typescript
const numericRange = rangeUntil(1, 5, 2);
console.log(numericRange); // Output: [1, 3]
```

### inRange

Checks if a value is within the specified numeric range.

```typescript
const isInRange = inRange(3, 1, 5);
console.log(isInRange); // Output: true
```


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