package scalaz //// /** * */ //// trait Length[F[_]] { self => //// def length[A](fa: F[A]): Int // derived functions //// val lengthSyntax = new scalaz.syntax.LengthSyntax[F] { def F = Length.this } } object Length { @inline def apply[F[_]](implicit F: Length[F]): Length[F] = F //// //// }