Added more stuff like Logging, DynamicPointer, utilities for using STL allocators and NotNullable.

source/mijin/logging/stdio_sink.hpp

@@ -0,0 +1,40 @@
+
+#pragma once
+
+#if !defined(MIJIN_LOGGING_STDIO_SINK_HPP_INCLUDED)
+#define MIJIN_LOGGING_STDIO_SINK_HPP_INCLUDED 1
+
+#include "./formatting.hpp"
+
+namespace mijin
+{
+template<template<typename> typename TAllocator = std::allocator,
+        deleter_type<LogFormatter<TAllocator<char>>> TDeleter = AllocatorDeleter<TAllocator<LogFormatter<TAllocator<char>>>>>
+    requires(allocator_type<TAllocator<char>>)
+class StdioSink : public FormattingLogSink<TAllocator, TDeleter>
+{
+public:
+    using base_t = FormattingLogSink<TAllocator, TDeleter>;
+    using typename base_t::formatter_ptr_t;
+
+    explicit StdioSink(not_null_t<formatter_ptr_t> formatter, TAllocator<char> allocator = {})
+        MIJIN_NOEXCEPT_IF(std::is_nothrow_move_constructible_v<TAllocator<char>>)
+        : base_t(std::move(formatter), std::move(allocator)) {}
+
+    void handleMessageFormatted(const LogMessage& message, const char* formatted) MIJIN_NOEXCEPT override
+    {
+        if (*message.level >= mijin_log_level::WARNING)
+        {
+            std::fputs(formatted, stderr);
+            std::fputc('\n', stderr);
+        }
+        else
+        {
+            std::puts(formatted);
+        }
+    }
+};
+} // namespace mijin
+
+
+#endif // !defined(MIJIN_LOGGING_STDIO_SINK_HPP_INCLUDED)