From 972fd5aae01195b018d305c82e43f714f9a41679 Mon Sep 17 00:00:00 2001 From: Lee Byron Date: Thu, 13 Aug 2015 14:33:44 -0700 Subject: [PATCH] Fix Union validation rule. Unions only require one member type --- spec/Section 3 -- Type System.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/spec/Section 3 -- Type System.md b/spec/Section 3 -- Type System.md index c35632533..532188b7d 100644 --- a/spec/Section 3 -- Type System.md +++ b/spec/Section 3 -- Type System.md @@ -599,7 +599,7 @@ Union types have the potential to be invalid if incorrectly defined. 1. The member types of an Union type must all be Object base types; Scalar, Interface and Union types may not be member types of a Union. Similarly, wrapping types may not be member types of a Union. -2. A Union type must define two or more member types. +2. A Union type must define one or more member types. ### Enums