addNullCheckPattern method

void addNullCheckPattern(
  1. String key,
  2. void listener(
    1. NullCheckPattern node
    )
)

Implementation

void addNullCheckPattern(
    String key, void Function(NullCheckPattern node) listener) {
  _forNullCheckPattern
      .add(_Subscription(listener, _getTimer(key), Zone.current));
}