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vhutov/InjectExample.scala

Created June 23, 2020 22:09
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Inject
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InjectExample.scala
import cats.Inject
type B = Either[Int, Either[String, Double]]
val i = Inject[Int, B].inj(1) // Left(1)
val s = Inject[String, B].inj("hi") // Right(Left(hi))
val d = Inject[Double, B].inj(1.0) // Right(Right(1.0))
Inject[String, B].prj(i) // None
Inject[String, B].prj(s) // Some(hi)
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