---
title: distinct()
framework: tabulardata
role: symbol
role_heading: Instance Method
path: tabulardata/anycolumn/distinct()
---

# distinct()

Generates a column slice that contains unique elements.

## Declaration

```swift
func distinct() -> AnyColumnSlice
```

## Return Value

Return Value A type-erased column slice.

## Discussion

Discussion The method only adds the first of multiple elements with the same value — the element with the smallest index — to the slice.