How do I log with spdlog and fmt in C++?

spdlog is a fast, header-only, C++ logging library that supports various logging levels and features. It works seamlessly with the fmt library for formatting log messages. In this example, we will demonstrate how to set up and use spdlog for logging messages in a C++ application.

keywords: spdlog, C++ logging, fmt library, logging levels, header-only library
description: A brief guide on how to use spdlog and fmt in C++ for efficient logging with formatted messages.
#include #include int main() { // Create a logger that logs to a file auto file_logger = spdlog::basic_logger_mt("file_logger", "logs.txt"); // Log messages with different severity levels spdlog::info("This is an info message: {}", "Hello, World!"); spdlog::warn("This is a warning message"); spdlog::error("This is an error message with an error code: {}", 404); // Log to file file_logger->info("This message will be logged to a file"); return 0; }

keywords: spdlog C++ logging fmt library logging levels header-only library