readUint64 method

BigInt readUint64()

Implementation

BigInt readUint64() {
  var data = _data.sublist(offset, offset + 8);
  offset += 8;
  var n = BigInt.from(0);
  for (var i = 0; i < data.length; i++) {
    var d = BigInt.from(2).pow((data.length - i - 1) * 8);
    n = n + BigInt.from(data[i]) * d;
  }
  return n;
}