1 files changed, 45 insertions, 0 deletions
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
+}