Macro Plan

That’s an intense study session! 🚀 You can definitely get very comfortable with Rust macros in that time if you focus smartly. Here's a roadmap to maximize your learning:

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Hour 1-2: Basics of Declarative Macros (macro_rules!)

✅ Understand how macro_rules! works
✅ Learn about patterns ($expr, $ident, $tt, $block)
✅ Practice simple macros like println!, vec!, and custom ones

🔹 Exercises:
- Write a macro that squares a number
- Write a macro that repeats a string n times
- Write a macro that creates a HashMap

📚 Reference:
- Rust Book - Macros

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Hour 3-4: Intermediate Declarative Macros

✅ Handle multiple arguments
✅ Use recursion inside macros
✅ Use tt (token trees) for flexible macros
✅ Debugging macros (macro_rules! pitfalls)

🔹 Exercises:
- Write a min! macro that finds the smallest of multiple numbers
- Write a log! macro that prints with different log levels

📚 Reference:
- Rust Reference - Macros

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Hour 5-6: Introduction to Procedural Macros

✅ Learn about proc_macro and proc_macro2 crates
✅ Understand function-like, derive, and attribute macros
✅ Write a simple derive macro (e.g., #[derive(Hello)])

🔹 Exercises:
- Create a custom derive macro that prints "Hello from struct!"
- Write a procedural macro that converts a function into an async version

📚 Reference:
- Rust Book - Procedural Macros
- Rust API Docs - proc_macro

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Hour 7-8: Advanced Procedural Macros

✅ Work with syn and quote crates
✅ Parse Rust syntax trees
✅ Implement attribute-like macros (#[my_macro])

🔹 Exercises:
- Implement a macro that adds logging to any function
- Write a macro that converts function names to uppercase

📚 Reference:
- Procedural Macros Workshop

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Hour 9: Review, Experiment, and Write Your Own Macros

✅ Revisit concepts
✅ Implement your own creative macros
✅ Debug and understand real-world macros (serde, tokio::main)

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Tips for Staying Focused

💡 Take short 5-minute breaks every hour
💡 Code along with examples instead of just reading
💡 Use cargo expand to see how macros expand

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If you stick to this plan, you’ll get really comfortable with Rust macros. 🔥 Want help with a specific macro concept while working through this?