From 4da9de3213a28c7e17945168acdb06308bb41df8 Mon Sep 17 00:00:00 2001
From: nodist <kevin.comas.git@gmail.com>
Date: Tue, 9 Jun 2026 10:07:44 -0400
Subject: use group for tuple and table

---
 docs/type_system/union.md | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

(limited to 'docs/type_system/union.md')

diff --git a/docs/type_system/union.md b/docs/type_system/union.md
index 2c4be2d..79c4987 100644
--- a/docs/type_system/union.md
+++ b/docs/type_system/union.md
@@ -5,11 +5,19 @@
 ```text
 Union_class `alias Enum[.container; .transient]
 
-Union[Union_class; TYPE.symbol; ...]
+Union[Union_class; Collection[TYPE.SYMBOL]]
 ```
 
+# Alias
+
+```text
+Tag[Collection[TYPE.SYMBOL]] `alias Union[.container; Collection[TYPE.SYMBOL]]
+```
+
+## Tag Example
+
 ```text
-u : Union[I64.a; I64.b; I64.c] $ (.c : 5) // defaults to Union[.container; ...]
+u : Tag[I64.a; I64.b; I64.c] $ (.c : 5)
 
 # u {
     .c {[c] c ... }
-- 
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