---
title: "init(size:range:)"
framework: charts
role: symbol
role_heading: Initializer
path: "charts/numberbins/init(size:range:)-5me6y"
---

# init(size:range:)

Creates uniform bins covering the given range.

## Declaration

```swift
nonisolated init(size: Value, range: ClosedRange<Value>) where Value : BinaryInteger
```

## Parameters

- `size`: The size of the bins.
- `range`: The range of the data the bins cover.

## Return Value

Return Value The bins.