From: Ben Harris <bjh21@bjh21.me.uk>
Date: Fri, 14 Jun 2024 09:17:04 +0000 (+0100)
Subject: 23b: use namespace for loop variable rather than list
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=c34c459d5b7e584a0795d605628f560d46767894;p=aoc-2022.git

23b: use namespace for loop variable rather than list
---

diff --git a/23/23b.bqn b/23/23b.bqn
index 8b5a1ac..6ae9b64 100644
--- a/23/23b.bqn
+++ b/23/23b.bqn
@@ -38,12 +38,12 @@ Round←{𝕊map:
   Trim map
 }
 
-Main←{
-  ⟨i,·,·⟩←{
-    𝕊⟨i,this,prev⟩:⟨i+1,Round this,this⟩
+Main←{𝕊map:
+  ⟨i⟩←{
+    𝕊⟨i,this⟩: {i⇐i+1, prev⇐this, this⇐Round this}
   } •_while_ {
-    𝕊⟨·,this,prev⟩:this≢prev
-  } ⟨0,𝕩,@⟩
+    𝕊⟨prev,this⟩: this≢prev
+  } {i⇐0, prev⇐@, this⇐map}
   i
 }