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  1. object Main extends App {
  2.   val l = 1 to 10 map (2 ^ _) 
  3.           filter (_ > 4)
  4.  
  5.   println(l)
  6. }
Compilation error #stdin compilation error #stdout 0.38s 382144KB
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stdin
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Standard input is empty
compilation info 
/opt/scala/bin/scalac: line 50: /dev/null: Permission denied
Main.scala:3: error: not found: value filter
          filter (_ > 4)
          ^
one error found
spoj: The program compiled successfully, but Main.class was not found.
      Class Main should contain method: def main(args: Array[String]).
stdout
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Standard output is empty
https://ideone.com/gQSfz9
language:
Scala (scala 2.12.8)
created:
10 years ago
visibility:
public

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