scalaz/scalaz — pull request #433 by xuwei-k (2013-07-18 05:13:07+00:00)
Title: cleanup OneOr instances. OneOrApply is unnecessary

because

`implicit def OneOrApply[F[_]: Apply]: Apply[({type λ[α] = OneOr[F, α]})#λ]`

is same constraints

`implicit def OneOrApplicative[F[_]: Apply]: Applicative[({type λ[α] = OneOr[F, α]})#λ]`