Kotlin how to return a SINGLE object from a list that contains a specific id?

Question

Good day, i\'m stuck figuring out how to get a single object from a list, i did google but all the topics show how to return a List with sorted objects or somet

Answer 1

Simplify

val user: User = myList.single { it.userId == id }

or if may list not have your filter

val user: User? = myList.singleOrNull{ it.userId == id }