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config: fix warning

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This commit is contained in:
Wesley W. Terpstra
2017-09-12 12:22:47 -07:00
parent 17ba209ed0
commit 6fa5250e1f
1 changed files with 4 additions and 2 deletions
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6
src/main/scala/config/Config.scala
View File

@@ -10,8 +10,10 @@ abstract class Field[T] private (val default: Option[T])
abstract class View {
final def apply[T](pname: Field[T]): T = apply(pname, this)
final def apply[T](pname: Field[T], site: View): T = find(pname, site) match {
case Some(x) => x.asInstanceOf[T]
final def apply[T](pname: Field[T], site: View): T = {
val out = find(pname, site)
require (out.isDefined, s"Key ${pname} is not defined in Parameters")
out.get
}
final def lift[T](pname: Field[T]): Option[T] = lift(pname, this)