EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Aug 5·5 min read
The Story of Mac: A Just-So Story
TL;DR
Macros in Lisp allow programmers to create custom abstractions that generate code at compile time, enhancing expressiveness and reducing redundancy. Understanding the distinction between macros and functions is crucial for effective Lisp programming.
✦ Why It Matters
Start using macros in your Lisp projects to streamline repetitive coding patterns and improve code clarity.
Key Takeaways
- Understand the difference between macros and functions in Lisp.
- Use DEFMACRO to define custom macros for code generation.
- Ensure macros do not leak implementation details.
- Practice writing macros to automate repetitive coding tasks.
How It Works
Macros operate by transforming code structures before execution, allowing programmers to define new syntactic constructs that generate the desired code. This is achieved through a process called macro expansion, where the macro's definition is used to produce the final code that will be compiled.