---
title: collections.SymDiff
description: Returns a slice containing the symmetric difference of two given slices.
categories: []
keywords: []
params:
  functions_and_methods:
    aliases: [symdiff]
    returnType: '[]any'
    signatures: [SLICE1 | collections.SymDiff SLICE2]
aliases: [/functions/symdiff]
---

Example:

```go-html-template
{{ slice 1 2 3 | symdiff (slice 3 4) }} → [1 2 4]
```

Also see <https://en.wikipedia.org/wiki/Symmetric_difference>.