chore(KProperty1.lens): Perform check for data class only once. #3315
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serras
approved these changes
Dec 11, 2023
serras
reviewed
Dec 17, 2023
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| @Suppress("UNCHECKED_CAST") | ||
| private val <S> KProperty1<S, *>.kClass: KClass<S & Any> |
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I don't understand 100% why the result here is KClass<S & Any>, instead of merely KClass<*>.
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This PR does the setup work for finding the copy method of the data class and finding the relevant parameter only once, hence failing earlier if used not on a data class
This idea is based on a video by @dmcg.