# Array distinct

> Supported in: Batch, Faster, Streaming

Removes duplicates and returns distinct values from the array.

**Expression categories:** Array

## Declared arguments

* **Expression:** Input array from which to remove duplicates.<br>*Expression\<Array\<T>>*

**Type variable bounds:** *T accepts ComparableType*

**Output type:** *Array\<T>*

## Examples

### Example 1: Base case

**Argument values:**

* **Expression:** \[ 1, 1, 2, 3 ]

**Output:** \[ 1, 2, 3 ]

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### Example 2: Null case

**Argument values:**

* **Expression:** `array`

| array | **Output** |
| ----- | ----- |
| *null* | *null* |

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