June 2024
Beginner to intermediate
320 pages
8h 59m
English
Content preview from Write Powerful Rust Macros
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10 Macros and the outside world
This chapter covers
- Using a single library to expose multiple macros
- Adding or disabling functionality with features
- Using attributes for control over what code will be generated
- Documenting and publishing a macro library
- Moving on to explore interesting macro subjects beyond this book
In previous chapters, we have often made excuses for taking shortcuts, explaining how “production-grade” macros would do things better or differently. In this, our last, chapter, we will create a macro for making available YAML config that tries to do everything right. While its functionality will be very limited, it will have proper testing, error handling, documentation, and the like, making it (almost) ready for use by ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.