From 271017ba9970e4220e1bd0dc83ce146afe9222a2 Mon Sep 17 00:00:00 2001
From: Bruce Hill <bruce@bruce-hill.com>
Date: Tue, 24 Jun 2025 13:37:09 -0400
Subject: Add Path.has_extension() and update manpages/api docs

---
 api/sets.md | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)

(limited to 'api/sets.md')

diff --git a/api/sets.md b/api/sets.md
index b64439c2..8b07cf08 100644
--- a/api/sets.md
+++ b/api/sets.md
@@ -241,3 +241,27 @@ other | `|T|` | The set of items to remove from the original set.  | -
 = |1|
 
 ```
+
+# Table
+## Table.xor
+
+```tomo
+Table.xor : func(a: |T|, b: |T| -> |T|)
+```
+
+Return set with the elements in one, but not both of the arguments. This is also known as the symmetric difference or disjunctive union.
+
+Argument | Type | Description | Default
+---------|------|-------------|---------
+a | `|T|` | The first set.  | -
+b | `|T|` | The second set.  | -
+
+**Return:** A set with the symmetric difference of the arguments.
+
+
+**Example:**
+```tomo
+>> |1, 2, 3|.xor(|2, 3, 4|)
+= |1, 4|
+
+```
-- 
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