encodeVariableLength function
Implementation
List<int> encodeVariableLength(int len) {
List<int> ret = [];
while (len > 0) {
var digit = len % 0x80;
len = (len / 0x80).floor();
if (len > 0) {
digit |= 0x80;
}
ret.add(digit);
}
return ret;
}