Handling Reacts' "Warning: Each child in an array or iterator should have a unique "key" prop" msg

[Oliver Mooney]

Hi,

How do you attach a unique key prop to each element created by a snippet? I'm using the (map snippet data) idiom to create multiple children (rows in a table) using kioo, and the React warning of not creating a unique key appears. It's causing some problems when I delete then add data in the underlying model, and the generated HTML re-uses the React id, and so doesn't reflect the underlying data correctly.

I'm using the Reagent variant.

Thanks,

Oliver.

[Creighton Kirkendall]

Oliver, you should be able to set the attribute :key to an index value or something to avoid this.

Creighton

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[Oliver Mooney]

Thanks Creighton! Did I miss that in the docs? I could submit a pull request to the intro guide that includes it?