From a9a303009a4267b7f12b956741b4e34dfdc6566f Mon Sep 17 00:00:00 2001
From: Evan You <yyx990803@gmail.com>
Date: Thu, 25 Apr 2019 10:00:51 +0800
Subject: [PATCH] chore: fix SimpleSet export

---
 src/core/util/env.js | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/src/core/util/env.js b/src/core/util/env.js
index eff1d21dc75..820bacdb405 100644
--- a/src/core/util/env.js
+++ b/src/core/util/env.js
@@ -87,11 +87,10 @@ if (typeof Set !== 'undefined' && isNative(Set)) {
   }
 }
 
-interface SimpleSet {
+export interface SimpleSet {
   has(key: string | number): boolean;
   add(key: string | number): mixed;
   clear(): void;
 }
 
 export { _Set }
-export type { SimpleSet }