diff --git a/src/log.h b/src/log.h
new file mode 100644
index 0000000..f41dedd
--- /dev/null
+++ b/src/log.h
@@ -0,0 +1,29 @@
+#pragma once
+
+namespace opustags {
+
+    enum class LogLevel {
+        LOG_NORMAL = 0,
+        LOG_VERBOSE = 1,
+        LOG_DEBUG = 2,
+        LOG_DEBUG_EXTRA = 3,
+    };
+
+    class Log
+    {
+    public:
+        Log(std::ostream &out);
+
+        LogLevel level;
+
+        Log& operator<<(LogLevel lvl);
+        template<class T> Log& operator<<(const T&);
+
+    private:
+        std::ostream &out;
+    };
+
+
+    extern Log log;
+
+}