pieceColorFromJson function Null safety

PieceColor pieceColorFromJson(
  1. String json
)

Returns appropriate insanichess.PieceColor from json representation.

Implementation

insanichess.PieceColor pieceColorFromJson(String json) {
  switch (json) {
    case 'w':
      return insanichess.PieceColor.white;
    case 'b':
      return insanichess.PieceColor.black;
    default:
      throw UnsupportedError('Unknown piece color "$json"');
  }
}