writeFrom method

@override Future<int> writeFrom(IoSlice src)

Implementation

@override
Future<int> writeFrom(IoSlice src) async {
  if (src.length == 0) return 0;
  final spare = mut.spareView(src.length);
  spare.setRange(0, src.length, src.bytes, src.start);
  mut.advance(src.length);
  return src.length;
}