EmbeddingGemma 2: an open, lightweight multimodal embedding model
deepmind.google·6d ago
AI Engineering
Lobsters·8d ago·5 min read
The complement of true is true, except when it's false
TL;DR
A proposal for C++26 introduces bitmask operations for enums, allowing developers to use built-in bitwise operations without manual implementation. This enhances code clarity and efficiency.
✦ Why It Matters
Consider adopting the new bitmask operations in your C++ code to improve clarity and reduce boilerplate.
Key Takeaways
- Explore the new bitmask operations for enums in C++26.
- Understand integral promotion when performing bitwise operations.
- Reduce boilerplate code by using built-in operations.
- Enhance code clarity with the new enum features.
Full Summary
The proposal P4313R1 aims to add a set of bitmask operations specifically for enumerations in C++. By utilizing a C++26 annotation, developers can opt-in to these operations, which simplifies the process of performing bitwise operations on enums.
Traditionally, C++ compilers handle bitwise operations on integral types, including types like wchar_t, through a process called integral promotion, where smaller types are promoted to int for operations. This means that when performing operations like 'a | b', the underlying bit patterns are not directly manipulated, but rather the promoted values are used.
The implications of this proposal are significant, as it allows for cleaner and more maintainable code, reducing the need for boilerplate code when working with enums.