From e69f0ea3d4286dcd5d46f36b71b9fdc08bf6993b Mon Sep 17 00:00:00 2001
From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sun, 7 Jul 2019 13:39:35 +0100
Subject: [PATCH] step 1: Explain intention behind regexp magic in non-trivial
 hash-map test.

[skip travis]
---
 tests/step1_read_print.mal | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tests/step1_read_print.mal b/tests/step1_read_print.mal
index 95e2e921..5d24cfaf 100644
--- a/tests/step1_read_print.mal
+++ b/tests/step1_read_print.mal
@@ -153,6 +153,8 @@ false
 ;=>{"a" {"b" {"c" 3}}}
 {  "a"  {"b"   {  "cde"     3   }  }}
 ;=>{"a" {"b" {"cde" 3}}}
+;;; The regexp sorcery here ensures that each key goes with the correct
+;;; value and that each key appears only once.
 {"a1" 1 "a2" 2 "a3" 3}
 ;/{"a([1-3])" \1 "a(?!\1)([1-3])" \2 "a(?!\1)(?!\2)([1-3])" \3}
 {  :a  {:b   {  :cde     3   }  }}