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  1. object Main {
  2.   def cast[A](x: Any) = x.asInstanceOf[A]
  3.  
  4.   def main(args: Array[String]): Unit = {
  5.     println(cast[Long](9).getClass())
  6.     println(cast[String](9).getClass()) 
  7.   }
  8. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
Main.scala:5: error: type mismatch;
 found   : Long
 required: ?{val getClass: ?}
Note: primitive types are not implicitly converted to AnyRef.
You can safely force boxing by casting x.asInstanceOf[AnyRef].
    println(cast[Long](9).getClass())
                      ^
one error found
stdout
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Standard output is empty
https://ideone.com/wk8Xu
language:
Scala (scala 2.12.8)
created:
14 years ago
visibility:
public

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