Implemented logging utilities

source/log/CMakeLists.txt

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+project(UglyLogLib)
+
+add_library(${PROJECT_NAME}
+    ./src/globals.cpp
+    ./src/TimestampLog.cpp
+)
+
+target_include_directories(${PROJECT_NAME}
+    PUBLIC ./include
+    PRIVATE ./src
+)

source/log/include/ILogFacility.hpp

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+#pragma once
+
+#include <format>
+#include <string_view>
+
+namespace ugly {
+
+class ILogFacility {
+public:
+    virtual void vlog(std::string_view fmt, std::format_args args) = 0;
+};
+
+}

source/log/include/LogUtils.hpp

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+#pragma once
+
+#include "ILogFacility.hpp"
+
+#include <format>
+
+namespace ugly {
+
+class LogAlias {
+public:
+    ILogFacility *mpLog;
+
+    template<typename ...Args>
+    LogAlias &operator()(std::format_string<Args...> format, Args &&...args) {
+        if(mpLog) {
+            mpLog->vlog(format.get(), std::make_format_args(args...));
+        }
+        return *this;
+    }
+};
+
+extern LogAlias log;
+
+}

source/log/include/TimestampLog.hpp

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+#pragma once
+
+#include "ILogFacility.hpp"
+
+#include <chrono>
+#include <format>
+#include <ostream>
+#include <string_view>
+#include <string>
+
+namespace ugly {
+
+class TimestampLog: virtual public ILogFacility {
+private:
+    std::ostream &mrOutputStream;
+    std::string mDescription;
+    std::chrono::high_resolution_clock::time_point mStart;
+
+public:
+    TimestampLog(std::ostream &os, std::string_view description);
+    void vlog(std::string_view fmt, std::format_args args) override;
+};
+
+}

source/log/src/TimestampLog.cpp

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+#include "TimestampLog.hpp"
+
+#include <format>
+#include <chrono>
+
+
+ugly::TimestampLog::TimestampLog(std::ostream &os, std::string_view description):
+    mrOutputStream{os},
+    mDescription{description},
+    mStart{std::chrono::high_resolution_clock::now()} {}
+
+
+void ugly::TimestampLog::vlog(std::string_view fmt, std::format_args args) {
+    auto now = std::chrono::high_resolution_clock::now();
+    auto timestamp = std::chrono::duration_cast<std::chrono::duration<float>>(now - mStart).count();
+    auto message = std::vformat(fmt, args);
+    mrOutputStream << std::format("[{:9.4f}] {}: {}\n", timestamp, mDescription, message);
+}

source/log/src/globals.cpp

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+#include "LogUtils.hpp"
+
+ugly::LogAlias ugly::log{nullptr};