size_t encode_byte_vector(Encoder& e, const byte* buf, size_t size, bool is_optional)
{
size_t preamble_size = 0;
if (buf != 0 && size != 0)
{
if (is_optional)
preamble_size = encode_u64_optional(e, size);
else
preamble_size = encode_u64(e, size);
size_t n = e.Data().size();
e.data_.resize(n + size);
memcpy(&e.data_[n], buf, size);
}
return preamble_size + size;
}
