EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·Aug 12·5 min read
Hacking in the 'nameOf'
TL;DR
Using the nameof expression in programming languages like C# can eliminate hardcoded parameter names in exception messages, reducing duplication and improving code clarity.
✦ Why It Matters
Start using nameof in your exception handling to reduce duplication and improve code maintainability.
Key Takeaways
- Use parameter names in exception messages for clarity.
- Explore Java's StackWalker and ClassFile APIs for advanced techniques.
- Be cautious of stability issues with custom bytecode solutions.
- Avoid hardcoding parameter names to prevent refactoring errors.
How It Works
The 'nameOf' method uses the StackWalker API to identify the calling method's frame and bytecode index. It then retrieves the class resource and parses it to simulate a stack machine, tracking symbolic names through method execution.
This allows the method to dynamically return the name of the parameter passed to it.
⚠ The Catch
The implementation is prone to breaking with changes in JVM configurations or compiler versions, as it relies on debug information that may not always be present.