Fixed #1709 - .to(Collector) syntax fix for 2.12 #1725
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mpilquist
commented
Jan 3, 2020
| * Applies the given sink to this stream. | ||
| */ | ||
| @deprecated("Use .through instead", "1.0.2") | ||
| private[fs2] def to[F2[x] >: F[x]](f: Stream[F, O] => Stream[F2, Unit]): Stream[F2, Unit] = |
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This is the reason for the mima exclusion. Not related to #1709 but noticed we can remove this safely now.
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.towas overloaded -- one took theCollectorand the other took an implicit factory. When the target type was known, the 2.12 compiler was picking the factory overload. To fix, I removed the old overload -- or rather, made itprivate[Stream]so that it cannot be called but it stays around for binary compatibility reasons.Note that in practice, any
s.compile.to[C]can be written ass.compile.to(C)b/cCollectorcan be implicitly instantiated from anyFactory. Only case where that's not true is whenCdoesn't implementFactorydirectly and instead, there's some implicit factory in scope.