tjfontaine/node-dns — comment on commit 21e431603f660c39357ce7a68352e209c95d806c
File: examples/request.js line 23
By tjfontaine:

promote does some evil dynamic language stuff that turns a
ResourceRecord into its specific type. Not thrilled with the
interface, but I don't necessarily want to always promote because the
user may not care about the record and unpack can be expensive