From 806387c49b0d6dad05477b170fc88f5eeba1e185 Mon Sep 17 00:00:00 2001
From: Tom Crockett <pelotom@gmail.com>
Date: Tue, 18 Jun 2019 09:45:15 -0700
Subject: [PATCH] Correct no-arg check (fixes #48)

---
 src/index.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/index.ts b/src/index.ts
index c45a411..4559129 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -22,7 +22,7 @@ export type RecordOf<U extends UnionTypes<any, any>> = U['_Record'];
 export type UnionOf<U extends UnionTypes<any, any>> = U['_Union'];
 
 export type Creators<Record, TaggedRecord, TagProp extends string> = {
-  [T in keyof Record]: {} extends UnTagged<Record[T], TagProp>
+  [T in keyof Record]: {} extends Required<UnTagged<Record[T], TagProp>>
     ? ((value?: {}) => TaggedRecord[keyof TaggedRecord])
     : ((value: UnTagged<Record[T], TagProp>) => TaggedRecord[keyof TaggedRecord])
 };