ref: c5e79d3b62e28ccac0aa3588e654e88b552f9144
parent: 8ae2e25dfd520b2c59f6b909a16d75c705f0c967
author: Ori Bernstein <ori@eigenstate.org>
date: Sat Dec 20 20:27:55 EST 2014
Make our type ids more stable across files.
Some sort of id string based on the actual type, not the
hash of the string representation.