if let equatableObj = newFirstItem as? Equatable {
// do something
}
error message: Error:(140, 64) protocol 'Equatable' can only be used as a generic constraint because it has Self or associated type requirements
How do i solve it?
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1[similar question here](https://stackoverflow.com/a/24962353/5685969) This is just a swift constraint. – 思齐省身躬行 Aug 18 '17 at 03:47
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Be sure to use search: https://stackoverflow.com/search?q=Swift+equatable A lot of similar questions answered. – Hexfire Aug 18 '17 at 04:11
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Does this answer your question? [Protocol can only be used as a generic constraint because it has Self or associatedType requirements](https://stackoverflow.com/questions/36348061/protocol-can-only-be-used-as-a-generic-constraint-because-it-has-self-or-associa) – Soumya Mahunt Sep 08 '22 at 06:28
