Reimplementation of day 22 that doesn't need the whole deck in memory

1 files changed, 1 insertions, 0 deletions

diff --git a/readme.org b/readme.org
index e189346..c674de4 100644
--- a/readme.org
+++ b/readme.org
@@ -23,3 +23,4 @@ program should only be pure expressions.
   nested in a way that makes it harder to name and read.
 - The persistent data structures don't integrate with Rayon iterators.
 - Easier to test subsets, but harder to inspect and audit runtime behaviour.
+- Although it isn't frequently used, Rust supports functions inside functions.