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Description
Pretty much the same as #16 but for via and intoVia, the generated code is kind of different due to beta-reduction of the lambda.
Example:
import io.github.arainko.ducktape.*
final case class WrappedInt(value: Int) extends AnyVal
final case class WrappedString(value: String) extends AnyVal
final case class TransformedWithSubtransformations[A](
int: WrappedInt,
string: WrappedString,
list: List[WrappedInt],
option: Option[A]
)
def method[A](option: Option[A], list: List[WrappedInt], string: WrappedString, int: WrappedInt) =
TransformedWithSubtransformations[A](int, string, list, option)
val value = Input(1, "a", List(1, 2, 3), Some(4))
val actual =
DebugMacros.code {
value.via(method[WrappedInt])
}The output is:
(({
val option$proxy3: Option[WrappedInt] =
given_Transformer_Option_Option[Int, WrappedInt]((((from: Int) => (new WrappedInt(from): WrappedInt)): ToAnyVal[Int, WrappedInt])).transform(value.option)
val list$proxy3: List[WrappedInt] =
given_Transformer_SourceCollection_DestCollection[Int, WrappedInt, List, List]((((`from₂`: Int) => (new WrappedInt(`from₂`): WrappedInt)): ToAnyVal[Int, WrappedInt]), iterableFactory[WrappedInt]).transform(value.list)
val string$proxy3: WrappedString =
(((`from₃`: String) => (new WrappedString(`from₃`): WrappedString)): ToAnyVal[String, WrappedString]).transform(value.string)
val int$proxy3: WrappedInt =
(((`from₄`: Int) => (new WrappedInt(`from₄`): WrappedInt)): ToAnyVal[Int, WrappedInt]).transform(value.int)
method[WrappedInt](option$proxy3, list$proxy3, string$proxy3, int$proxy3)
}: Return): Return)We can get rid of the Transformer.ToAnyVal, Transformer.FromAnyVal and Transformer.ForProduct instances by 'inlining' their insides, eg. for this line:
val string$proxy3: WrappedString =
(((`from₃`: String) => (new WrappedString(`from₃`): WrappedString)): ToAnyVal[String, WrappedString]).transform(value.string)The rewritten version should just look like this:
val string$proxy3: WrappedString = new WrappedString(value.string)Metadata
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