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  1. import java.util.List;
  2. import java.util.function.Function;
  3.  
  4. class Test {
  5.     interface Mapper<T, U extends MapperProvider<U>> extends Function<T, List<U>> {}
  6.  
  7.     interface MapperProvider<V> {
  8.     	Mapper<V, ?> provide();
  9.     }
  10.  
  11.     private <V extends MapperProvider<V>> void use(V c) {
  12.     	use2(c.provide().apply(c));
  13.     }
  14.  
  15.     private <W extends MapperProvider<W>> void use2(List<W> c) {
  16.     }
  17. }
Compilation error #stdin compilation error #stdout 0s 0KB
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stdin
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Standard input is empty
compilation info 
spoj: The program compiled successfully, but main class was not found.
      Main class should contain method: public static void main (String[] args).
stdout
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Standard output is empty
https://ideone.com/sL2T3q
language:
Java (HotSpot 12)
created:
7 years ago
visibility:
public

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