revert method

void revert(
  1. K key
)

Reverts key back to that in defaultMap.

If the key/value pair changed changed then a MapUpdate is sent to attached streams.

Implementation

void revert(K key) {
  final currentV = _defaultMap[key];
  if (currentV == null) {
    _map.remove(key);
  } else {
    this[key] = currentV;
  }
}