From 4b86554a0354d78efeb40e551eaccaac0fecd1d1 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 25 Sep 2018 13:08:40 +0800
Subject: Change the structure of project.

---
 src/debug_base.h | 45 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 45 insertions(+)
 create mode 100644 src/debug_base.h

(limited to 'src/debug_base.h')

diff --git a/src/debug_base.h b/src/debug_base.h
new file mode 100644
index 00000000..7669b9df
--- /dev/null
+++ b/src/debug_base.h
@@ -0,0 +1,45 @@
+#pragma once
+
+
+#include "system_headers.h"
+#include <chrono>
+#include <string_view>
+#include <fmt/format.h>
+
+#include "base.h"
+
+namespace cru::debug
+{
+#ifdef CRU_DEBUG
+    inline void DebugTime(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);
+        OutputDebugStringW(fmt::format(L"{}: {}ms.\n", hint_message, duration.count()).c_str());
+    }
+
+    template<typename TReturn>
+    TReturn DebugTime(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);
+        OutputDebugStringW(fmt::format(L"{}: {}ms.\n", hint_message, duration.count()).c_str());
+        return std::move(result);
+    }
+#else
+    inline void DebugTime(Function<void()>&& action, const StringView& hint_message)
+    {
+        action();
+    }
+
+    template<typename TReturn>
+    TReturn DebugTime(Function<TReturn()>&& action, const StringView& hint_message)
+    {
+        return action();
+    }
+#endif
+}
-- 
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