---
title: "transform(_:)"
framework: tabulardata
role: symbol
role_heading: Instance Method
path: "tabulardata/column/transform(_:)-6mrwg"
---

# transform(_:)

Applies a transformation to every element in the column.

## Declaration

```swift
mutating func transform(_ transform: (Column<WrappedElement>.Element) throws -> Column<WrappedElement>.Element) rethrows
```

## Parameters

- `transform`: A transformation closure.

## See Also

### Transforming a Column

- [transform(_:)](tabulardata/column/transform(_:)-271dd.md)