Knuth has argued specifically against reuse in the past. He prefers "re-editable code". That being said, the sorts of problems concerning the Knuths of this wo

Knuth has argued specifically against reuse in the past. He prefers "re-editable code". That being said, the sorts of problems concerning the Knuths of this world are decidedly not the sorts of problems I find myself facing every day. I'm happy enough not hacking an HTTP client into shape for every project that needs one, for instance.