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Unrelated types warning not generated in certain circumstances #8939

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scabug opened this issue Oct 27, 2014 · 2 comments
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Unrelated types warning not generated in certain circumstances #8939

scabug opened this issue Oct 27, 2014 · 2 comments
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errors and warnings has PR lint

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@scabug
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scabug commented Oct 27, 2014

val l1: List[Option[Int]] = List(Some(1))

l1.find(_ == 1) // Generates warning, as it should

case class UserId(value: Int)

case class User(id: Option[UserId], other: Int)

val l2: List[User] = List(User(Some(UserId(1)), 2))

l2.find(_.id == UserId(1)) // Does not generate warning, even though types don't match
@scabug
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scabug commented Oct 27, 2014

Imported From: https://issues.scala-lang.org/browse/SI-8939?orig=1
Reporter: Artur Soler

@lloydmeta lloydmeta mentioned this issue Apr 2, 2018
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@SethTisue
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based on scala/scala#6486 it looks like this is wontfix

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@SethTisue @scabug @hrhino