cats.Defer instance for Stream.
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djspiewak
reviewed
Jul 2, 2020
| /** `Defer` instance for `Stream` */ | ||
| implicit def deferInstance[F[_]]: Defer[Stream[F, *]] = | ||
| new Defer[Stream[F, *]] { | ||
| override def defer[A](fa: => Stream[F, A]): Stream[F, A] = Stream(()) >> fa |
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Wouldn't it be a bit faster to do Stream.empty ++ fa?
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Thanks! |
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BTW, we could do same for |
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