byteToLong method
Implementation
Int64 byteToLong(Int8List bytes) {
return Int64(((bytes[0] & 0xFF) << 56) |
((bytes[1] & 0xFF) << 48) |
((bytes[2] & 0xFF) << 40) |
((bytes[3] & 0xFF) << 32) |
((bytes[4] & 0xFF) << 24) |
((bytes[5] & 0xFF) << 16) |
((bytes[6] & 0xFF) << 8) |
((bytes[7] & 0xFF)));
}