From bf7e486b8908ed494925ff9643b55ccafbfdc434 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Fri, 14 Jun 2019 23:23:09 +0800
Subject: ...

---
 include/cru/common/event.hpp | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'include/cru/common/event.hpp')

diff --git a/include/cru/common/event.hpp b/include/cru/common/event.hpp
index af282c30..144513b6 100644
--- a/include/cru/common/event.hpp
+++ b/include/cru/common/event.hpp
@@ -79,6 +79,9 @@ inline EventRevoker details::EventBase::CreateRevoker(EventHandlerToken token) {
   return EventRevoker(resolver_, token);
 }
 
+// int -> int
+// Point -> const Point&
+// int& -> int&
 template <typename TRaw>
 using DeducedEventArgs = std::conditional_t<
     std::is_lvalue_reference_v<TRaw>, TRaw,
-- 
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