``` ---------------------------------- *Tree Mutat...

# arrow-meta

[raulraja]

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*Tree Mutation*
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Old 
---
package consumer

sealed class Option<out A> {
  object None : Option<Nothing>()
  data class Some<out A>(val value: A) : Option<A>()
}
---
New
---
package consumer

class ForOption

typealias OptionOf<A> = arrow.Kind<ForOption, A>

sealed  class Option<out A>(): OptionOf<A> {
  
  object None : Option<Nothing>()

  data class Some<out A>(val value: A) : Option<A>()

}
----------------------------------