diff src/union_find_fn.sml @ 2257:28a541bd2d23

Use referenced (rather than all) free variables as keys for pure caches.
author Ziv Scully <ziv@mit.edu>
date Sun, 27 Sep 2015 14:46:12 -0400
parents ff38b3e0cdfd
children 0730e217fc9c
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