A given Any.Def.Contains instance for a specific type determines if universal method "in" can be applied.
val range = 1 <> 10
if(5 in range) "is in".tp
if("CD" in "ABCDEF") ()
// same as
if("ABCDEF".contains("CD")) ()
Any.Def.Contains is defined for most known types and can be defined for new ones.
- Source
- Contains.scala
class java.lang.Object
trait scala.Matchable
class Any