insertBefore method

void insertBefore(
  1. int index,
  2. TextFragment fragment
)

Implementation

void insertBefore(int index, TextFragment fragment) {
  if (_sealed) {
    throw StateError(
        'Element of type ${fragment.runtimeType} cannot be inserted before at $index when $runtimeType is sealed');
  }
  _fragments.insert(index - 1, fragment);
  return;
}