forEachEmptyFieldElement method

int forEachEmptyFieldElement(
  1. ForEachElement f
)
inherited

Implementation

int forEachEmptyFieldElement(ForEachElement f) {
  var count = 0;

  var list = getEmptyFields();
  for (var fieldName in list) {
    var elem = getFieldElement(fieldName);
    if (elem != null) {
      f(elem);
      count++;
    }
  }

  return count;
}