From 73f13dd60f51ff05e31a64fba89fe31ab3ab185d Mon Sep 17 00:00:00 2001
From: 杨宇千 <crupest@outlook.com>
Date: Sun, 15 Sep 2019 00:03:11 +0800
Subject: ...

---
 include/cru/common/base.hpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'include/cru/common')

diff --git a/include/cru/common/base.hpp b/include/cru/common/base.hpp
index 920fe569..55f43e5c 100644
--- a/include/cru/common/base.hpp
+++ b/include/cru/common/base.hpp
@@ -1,6 +1,8 @@
 #pragma once
 #include "pre_config.hpp"
 
+#include <stdexcept>
+
 #define CRU_DEFAULT_COPY(classname)      \
   classname(const classname&) = default; \
   classname& operator=(const classname&) = default;
@@ -36,4 +38,8 @@ struct Interface {
   Interface& operator=(Interface&& other) = delete;
   virtual ~Interface() = default;
 };
+
+[[noreturn]] inline void UnreachableCode() {
+  throw std::runtime_error("Unreachable code.");
+}
 }  // namespace cru
-- 
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