findAll method
Find all chess of a type code
Implementation
List<ChessPos> findAll(String matchCode) {
List<ChessPos> items = [];
int rowNumber = 0;
for (var row in _rows) {
int start = row.indexOf(matchCode);
while (start > -1) {
items.add(ChessPos(start, rowNumber));
start = row.indexOf(matchCode, start + 1);
}
rowNumber++;
}
return items;
}