hint method

SelectorBuilder hint(
  1. String fieldName, {
  2. bool descending = false,
})

Implementation

SelectorBuilder hint(String fieldName, {bool descending = false}) {
  _query;
  if (!map.containsKey('\$hint')) {
    map['\$hint'] = <String, dynamic>{};
  }
  var order = 1;
  if (descending) {
    order = -1;
  }
  map['\$hint'][fieldName] = order;
  return this;
}