From 43dd950c4e3c9e17b619af56dd34394e0a4779b6 Mon Sep 17 00:00:00 2001
From: Cliff Click <cliffc@acm.org>
Date: Mon, 10 Aug 2026 14:47:36 -0700
Subject: Add a aryi64 swap

---
 chapter25/src/main/smp/sys/aryi64.smp | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'chapter25/src/main')

diff --git a/chapter25/src/main/smp/sys/aryi64.smp b/chapter25/src/main/smp/sys/aryi64.smp
index 499431d8..8a154f34 100644
--- a/chapter25/src/main/smp/sys/aryi64.smp
+++ b/chapter25/src/main/smp/sys/aryi64.smp
@@ -35,6 +35,13 @@ struct aryi64 {
             str.num(buf[i]).add(',').add(' ');
         str.undo(2).add(']');
     };
+
+    val swap = { int i, int j ->
+        i64 tmp = buf[i];
+        buf[i] = buf[j];
+        buf[j] = tmp;
+        self;
+    };
 };
 
 
-- 
cgit v1.2.3