Convert PValue
to A
type.
Convert A
type to PValue.
Source: https://github.com/typelevel/cats/blob/master/core/src/main/scala/cats/data/NonEmptyList.scala
Source: https://github.com/typelevel/cats/blob/master/core/src/main/scala/cats/data/NonEmptyList.scala
A data type which represents a non empty list of A, with single element (head) and optional structure (tail).