Show a better error on wrong struct size #62
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nice. I love that the location of the error ends up being the |
hecatia-elegua
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pickx
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Jul 23, 2023
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???? |
seeing the same thing here. I guess the location does not end up being the attribute.strange that when consts are used in this position, they generate "erroneous constant" info instead of an error. |
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trying to get professional help now: https://rust-lang.zulipchat.com/#narrow/stream/122651-general/topic/.22note.3A.20erroneous.20constant.20used.22/near/430142304 |
riking
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Apr 1, 2024
| /// This is used in `bitsize.rs` gen, for showing a compile error. | ||
| /// Only needed because const contexts can't use `format!` and `COMPUTED_SIZE` is not a plain number. | ||
| /// `evaluation of `bilge::AssertEquals::<19, 18>::EQUAL` failed` will tell you what's wrong. | ||
| pub struct AssertEquals<const COMPUTED_SIZE: usize, const DECLARED_SIZE: usize>; |
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Should be tested on a free standing project with both stable and nightly, since in-project I sometimes just saw "evaluation of constant value failed", which is not that helpful.