Expand nested items within a backtrace. #12671
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| |item| items.push(item)); | ||
| decorator_items.push_all(items.move_iter() | ||
| .flat_map(|item| expand_item(item, fld).move_iter()) | ||
| .collect()); |
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Could we avoid collect() here? I don't know if there's a vec method that takes an Iterator<T>, but if not, there probably should be.
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r=me with |
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(Oh, it seems |
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It will be implemented when #12673 lands. |
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We're using SmallVec anyway, so I will implement extend for that. Yeah, this was a total pain to track down. Sadly I couldn't think of a nice way to test it either. |
Fixes a regression from rust-lang#4913 which causes items to be exanded with spans lacking expn_info from the context's current backtrace.
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@huon - ready for re-review - implemented using SmallVector::extend |
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Fixes a regression from #4913 which causes items to be exanded with spans lacking expn_info from the context's current backtrace.
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Fixes a regression from #4913 which causes items to be exanded with spans lacking expn_info from the context's current backtrace.