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Fail on the non-exhausted oneOf schema #16

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semenodm opened this issue May 2, 2022 · 1 comment

semenodm commented May 2, 2022

Maybe we can find a way to fail on compilation if user provided non-exhaustive ADT legs

sealed trait Foo
case class A extends Foo
case class B extends Foo
case class C extends Foo

val schema : Schema[Foo] = Schema.oneOf[Foo]{alt =>
val schemaA : Schema[A] = ???
val schemaB : Schema[B] = ???

alt(schemaA) |+| alt(schemaB) // fail to compile here, because missing schemaC
}

Owner

SystemFw commented May 14, 2022

This is documented as a limitation, it would be nice if it could be prevented, but I don't really see an easy solution

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