How to Build a Simple Logger in Rust (No Crates Needed!)
Автор: Saad Saleem
Загружено: 2025-12-03
Просмотров: 236
In this video, I’ll show you how to build a simple and clean logger in Rust — without using any external crates!
We’ll create a complete logging system using only the Rust standard library.
You’ll learn how to:
✅ Generate a full timestamp manually (year, month, day, hour, minute, second)
✅ Calculate leap years yourself
✅ Format logs with INFO, WARN, and ERROR levels
✅ Print logs to the console
✅ Append logs to a file (app.log)
✅ Use OpenOptions instead of File::create so logs never get overwritten
✅ Handle errors properly with Rust’s Result type
This is a perfect beginner-friendly Rust project that covers:
Enums
File I/O
Time conversion
Basic error handling
String formatting
Clean coding patterns
If you’re learning Rust, this project will help you understand core concepts while building something practical and real.
Github Repo: https://github.com/saadsaleem187/yout...
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