nestharus

public static Map<String, Set<String>> idsAndFields(final Collection<Match> matches) {
  return matches.stream()
    .collect(Collectors.groupingBy(
      match -> match.id,
      Collectors.flatMapping(
        match -> match.positions().stream()
          .map(position -> position.fieldName),
        Collectors.toSet()
      )
    ));

nestharus

#      2  [      1]
#      3  [   3, 1]
#      5  [5, 3, 1, 3, 1, 3, 5, 1]
# (19) 7  [9,    1, 3, 1, 3, 5, 1, 5, 3, 1, 3, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 3, 1, 3********************************************************************, 7, 5, 3, 5, 1, 3, 5, 1, 5, 5, 3, 1, 3, 5, 1, 5, 3, 1, 3, 1, 9, 1]
# ( 9) 11 [11,      3, 1, 3, 5, 1, 5, 3, 1, 3, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 3, 1, 3, 13, 3, 5, 1, 9, 1, 5, 5, 3********************************************************************, 1, 3, 5, 1, 9, 1, 3, 1, 11, 9, 1, 3, 1, 3, 5, 1, 5, 3, 5, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 3, 5, 7, 5, 9, 1, 3, 5, 1, 5, 5, 3, 1, 3, 5, 1, 5, 3, 1, 5, 9, 1, 9, 1, 3, 1, 3, 5, 7, 3, 1, 3, 11, 1, 5, 3, 1, 5, 3, 5, 11, 1, 3, 1, 3, 7, 5, 3, 5, 1, 3, 5, 1, 5, 9, 1, 3,5, 1, 5, 3, 1, 3, 1, 9, 1, 9, 1, 3, 5, 5, 1, 5, 5, 3, 5, 5, 1, 5, 3, 1, 5, 3, 5, 7, 3, 1, 5,3, 7, 5, 3, 5, 1, 3, 5, 7, 5, 3, 1, 9, 1, 5, 3, 1, 3, 1, 9, 1, 9, 1, 3, 1, 3, 7, 5, 3, 1, 3,5, 5, 1, 5, 3, 7, 3, 5, 7, 3, 1, 3, 1, 3, 7, 5, 3, 5, 5, 5, 1, 5, 5, 3, 1, 3, 5, 1, 5

nestharus

class ClassTest {
    public static class A_MODEL {
        public B_MODEL b;
        public C_MODEL c;
    }

    public static class A_DTO {
        public B_DTO b;
    }

nestharus

export function once(func) {
	let invoked = false;
	
	return function() {
		if (invoked) {
			return;
		}
		
		invoked = true;