writeFromSync abstract method Null safety
Synchronously writes from a
buffer to the file.
Will read the buffer from index
start to index
start must be non-negative and no greater than
end is omitted, it defaults to
end must be no less than
and no greater than
Throws a FileSystemException if the operation fails.
void writeFromSync(List<int> buffer, [int start = 0, int? end]);