import 'dart:typed_data'; int fromBytesToInt32(int b3, int b2, int b1, int b0) { final int8List = Int8List(4) ..[3] = b3 ..[2] = b2 ..[1] = b1 ..[0] = b0; return int8List.buffer.asByteData().getInt32(0); } int fromBytesToInt64( int b7, int b6, int b5, int b4, int b3, int b2, int b1, int b0, ) { final int8List = Int8List(8) ..[7] = b7 ..[6] = b6 ..[5] = b5 ..[4] = b4 ..[3] = b3 ..[2] = b2 ..[1] = b1 ..[0] = b0; return int8List.buffer.asByteData().getInt64(0); }