minOrNull method Null safety

T? minOrNull(
  1. [T? ifNull]
)

Implementation

T? minOrNull([T? ifNull]) {
  T? _min;
  for (final t in this) {
    if (_min == null || t.compareTo(_min) < 0) {
      _min = t;
    }
  }
  return _min ?? ifNull;
}