underscore/docs/content/collections/unique.md
2024-09-08 19:11:52 +02:00

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---
title: "Unique"
date: 2022-04-12T17:18:04-04:00
---
`Unique` returns a duplicate-free version of the slice. Only the first occurrence of each value is kept.
```go
package main
import (
"fmt"
u "github.com/rjNemo/underscore"
)
func main() {
nums := []int{1, 4, 2, 5, 3, 1, 5, 2, 8, 9}
fmt.Println(u.Unique(nums)) // 1, 4, 2, 5, 3, 8, 9
}
```