From efdce672123284847bd7fb6f12ac1ec96f28f3ef Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Wed, 7 Nov 2018 21:40:04 +0800
Subject: Make all header *.hpp .

---
 src/cru_debug.hpp | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)
 create mode 100644 src/cru_debug.hpp

(limited to 'src/cru_debug.hpp')

diff --git a/src/cru_debug.hpp b/src/cru_debug.hpp
new file mode 100644
index 00000000..ed6fcaf6
--- /dev/null
+++ b/src/cru_debug.hpp
@@ -0,0 +1,44 @@
+#pragma once
+
+#include <functional>
+
+#include "base.hpp"
+#include "format.hpp"
+
+namespace cru::debug
+{
+    void DebugMessage(const StringView& message);
+
+#ifdef CRU_DEBUG
+    inline void DebugTime(const std::function<void()>& action, const StringView& hint_message)
+    {
+        const auto before = std::chrono::steady_clock::now();
+        action();
+        const auto after = std::chrono::steady_clock::now();
+        const auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(after - before);
+        DebugMessage(Format(L"{}: {}ms.\n", hint_message, duration.count()));
+    }
+
+    template<typename TReturn>
+    TReturn DebugTime(const std::function<TReturn()>& action, const StringView& hint_message)
+    {
+        const auto before = std::chrono::steady_clock::now();
+        auto&& result = action();
+        const auto after = std::chrono::steady_clock::now();
+        const auto duration = std::chrono::duration_cast<std::chrono::milliseconds>(after - before);
+        DebugMessage(Format(L"{}: {}ms.\n", hint_message, duration.count()));
+        return std::move(result);
+    }
+#else
+    inline void DebugTime(const std::function<void()>& action, const StringView& hint_message)
+    {
+        action();
+    }
+
+    template<typename TReturn>
+    TReturn DebugTime(const std::function<TReturn()>& action, const StringView& hint_message)
+    {
+        return action();
+    }
+#endif
+}
-- 
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