From ae1c7de604e90e8dc8f94889e10224c8de706e9b Mon Sep 17 00:00:00 2001
From: William Gooch <wgooch2000@gmail.com>
Date: Sat, 23 Jan 2021 17:41:47 -0500
Subject: [PATCH] docs: add an example of variable swapping (#8306)

---
 doc/docs.md | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/doc/docs.md b/doc/docs.md
index b06597b989..ef88fb6cfd 100644
--- a/doc/docs.md
+++ b/doc/docs.md
@@ -326,6 +326,17 @@ fn main() {
 }
 ```
 
+The values of multiple variables can be changed in one line.
+In this way, their values can be swapped without an intermediary variable.
+
+```v
+mut a := 0
+mut b := 1
+println('$a, $b') // 0, 1
+a, b = b, a
+println('$a, $b') // 1, 0
+```
+
 ### Declaration errors
 
 In development mode the compiler will warn you that you haven't used the variable