containsAll method

bool containsAll(
  1. Map target
)

Implementation

bool containsAll(Map target) {
  if (isNullOrEmpty) return false;
  var result = true;
  target.forEach((targetKey, targetValue) {
    if (!this!.containsKey(targetKey) || this![targetKey] != targetValue) {
      result = false;
      return;
    }
  });
  return result;
}