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weaken conclusion

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Niko Matsakis 2022-12-10 06:16:20 -05:00
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text/0000-dyn-upcasting.md
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@ -172,7 +172,7 @@ Note that the we are already generating the larger vtables as of Rust 1.56, in a
> I don't have any data from real-world projects, but I have made a test crate, which uses proc macro to generate a graph of traits and impls with width W and depth D, as in my example above. At least when generating rlibs, I did not see any exponential blowup of artifact size, which I predicted above. The rlib size seemed to grow roughly linearly in W and D.
This is suggestive that increased binary size will not be an issue in practice.
It's not entirely clear why this is, however, and more investigation may be warranted.
## Multi-trait dyn is more complex