delphirtl/docs/md/functions/haveNoDuplicates.md

RTL functions from Delphi

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[delphirtl](../globals.md) / haveNoDuplicates

# Function: haveNoDuplicates()

> **haveNoDuplicates**(`arr1`, `arr2`, `key`): `boolean`

Compare all elements of arr1 and arr2 and ensure they have no duplicates

## Parameters

• **arr1**: `any`[]

• **arr2**: `any`[]

• **key**: `string`

## Returns

`boolean`

true if there's duplicates, false otherwise

## Defined in

[src/arrayutils.ts:55](https://github.com/chuacw/delphirtl/blob/b2d86277a5251f0037cf01044224c3e29dc4c6be/src/arrayutils.ts#L55)