decodeVarint function
Decodes a varint from a byte array.
Implementation
int decodeVarint(Uint8List data) {
var result = 0;
var shift = 0;
var i = 0;
while (i < data.length) {
final byte = data[i];
result |= (byte & 0x7F) << shift;
if ((byte & 0x80) == 0) {
return result;
}
shift += 7;
i++;
}
throw FormatException('Invalid varint encoding');
}