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sullivan-/PState-example.scala

Created January 5, 2016 19:10
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PState-example.scala
trait PState[R <: Root] {
def get: R
def map(f: R => R): PState[R]
}
val userState: PState[User] = getUserState()
val user: User = userState.get
val updatedState: PState[User] = userState.map(_.copy(title = Some(newTitle)))
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