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  1. object Main extends App {
  2. 	class Q[T]
  3.  
  4. 	class R[C, T <: Q[C]](obj: T) {
  5. 	  println(obj)
  6. 	}
  7.  
  8. 	new R(new Q[Int])
  9. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:8: error: inferred type arguments [Nothing,Main.Q[Int]] do not conform to class R's type parameter bounds [C,T <: Main.Q[C]]
	new R(new Q[Int])
        ^
Main.scala:8: error: type mismatch;
 found   : Main.Q[Int]
 required: T
	new R(new Q[Int])
              ^
two errors found
spoj: The program compiled successfully, but Main.class was not found.
      Class Main should contain method: def main(args: Array[String]).
stdout 
Standard output is empty
https://ideone.com/N8rFHa
language:
Scala (scala 2.12.8)
created:
11 years ago
visibility:
public

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