高速ログ出力ライブラリspdlogで日本語使う方法

cpp

以下定義する
#define SPDLOG_WCHAR_FILENAMES
#define SPDLOG_WCHAR_TO_UTF8_SUPPORT

#define SPDLOG_WCHAR_FILENAMES
#define SPDLOG_WCHAR_TO_UTF8_SUPPORT
#include <iostream>
#include "spdlog/spdlog.h"
#include "spdlog/sinks/basic_file_sink.h" // support for basic file logging
#include "spdlog/sinks/rotating_file_sink.h" // support for rotating file logging

...

void hoge(){
	auto file_logger = spdlog::basic_logger_mt("basic_logger", L"c:\\hogehoge\\basic.txt");
	file_logger->info(L"こんにちわん!");
	file_logger->flush();
}

ネタ元