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Diffstat (limited to 'src/main/scala/xyz/driver/core/core.scala')
| -rw-r--r-- | src/main/scala/xyz/driver/core/core.scala | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/src/main/scala/xyz/driver/core/core.scala b/src/main/scala/xyz/driver/core/core.scala index 8c13aeb..cbc5ce9 100644 --- a/src/main/scala/xyz/driver/core/core.scala +++ b/src/main/scala/xyz/driver/core/core.scala @@ -38,9 +38,16 @@ package core { implicit def idEqual[T]: Equal[Id[T]] = Equal.equal[Id[T]](_ == _) implicit def idOrdering[T]: Ordering[Id[T]] = Ordering.by[Id[T], String](_.value) + sealed trait Mapper[Entity, Row] object Mapper { - def apply[A, B]: (Id[A] => Id[B]) = (id: Id[A]) => Id[B](id.value) + def apply[Entity, Row] = new Mapper[Entity, Row] {} } + + implicit def to[Row, Entity](rowId: Id[Row])(implicit ev: Mapper[Entity, Row]): Id[Entity] = + Id[Entity](rowId.value) + + implicit def from[Entity, Row](entityId: Id[Entity])(implicit ev: Mapper[Entity, Row]): Id[Row] = + Id[Row](entityId.value) } final case class Name[+Tag](value: String) extends AnyVal { |