| import java.util.*; |
| |
| class IDEA101169 { |
| { |
| List<List<UnaryOperator<String>>> intPermutationOfFunctions = perm(asList( s -> s.substring(0), s -> s.substring(0), s -> s.substring(0))); |
| |
| List<UnaryOperator<String>> p = asList( s -> s.substring(0), s -> s.substring(0), s -> s.substring(0)); |
| } |
| |
| public static <T> List<List<T>> perm(List<T> l) { |
| return null; |
| } |
| |
| @SafeVarargs |
| public static <T> List<T> asList(T... a) { |
| return null; |
| } |
| |
| interface UnaryOperator<T> extends Function<T, T> {} |
| |
| interface Function<T, R> { |
| public R apply(T t); |
| } |
| } |