ref: 2e711a28c71e8667258e5ab824f9b9a71c261b0a
dir: /content/en/functions/symdiff.md/
---
title: "symdiff"
description: "`collections.SymDiff` (alias `symdiff`) returns the symmetric difference of two collections."
date: 2018-11-07
categories: [functions]
menu:
docs:
parent: "functions"
keywords: [collections,intersect,union, complement]
signature: ["COLLECTION | symdiff COLLECTION" ]
hugoversion: "0.51"
aliases: []
---
Example:
```go-html-template
{{ slice 1 2 3 | symdiff (slice 3 4) }}
```
The above will print `[1 2 4]`.
Also see https://en.wikipedia.org/wiki/Symmetric_difference