Since structs are always `VariantIdx(0)`, there's a bunch of files where the only reason they had `VariantIdx` or `vec::Idx` imported at all was to get the first variant. So this uses a constant for that, and adds some doc-comments to `VariantIdx` while I'm there, since it doesn't have any today. |
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|---|---|---|
| .. | ||
| error.rs | ||
| eval_queries.rs | ||
| fn_queries.rs | ||
| machine.rs | ||
| mod.rs | ||
| valtrees.rs | ||