Computing an md5 hash of a data structure

Question

I want to compute an md5 hash not of a string, but of an entire data structure. I understand the mechanics of a way to do this (dispatch on the type of the value, canonical

Answer 1

ROCKY way: Put all your struct items in one parent entity (if not already), recurse and sort/canonicalize/etc them, then calculate the md5 of its repr.