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2023-11-27Put backticks around some attributes in doc comments.Nicholas Nethercote-6/+6
Without backticks they cause some "unresolved link to `foo`" warnings.
2023-11-22Document `newtype_index` attributes.Nicholas Nethercote-2/+13
2023-11-22Replace `no_ord_impl` with `orderable`.Nicholas Nethercote-3/+3
Similar to the previous commit, this replaces `newtype_index`'s opt-out `no_ord_impl` attribute with the opt-in `orderable` attribute.
2023-11-22Replace `custom_encodable` with `encodable`.Nicholas Nethercote-3/+3
By default, `newtype_index!` types get a default `Encodable`/`Decodable` impl. You can opt out of this with `custom_encodable`. Opting out is the opposite to how Rust normally works with autogenerated (derived) impls. This commit inverts the behaviour, replacing `custom_encodable` with `encodable` which opts into the default `Encodable`/`Decodable` impl. Only 23 of the 59 `newtype_index!` occurrences need `encodable`. Even better, there were eight crates with a dependency on `rustc_serialize` just from unused default `Encodable`/`Decodable` impls. This commit removes that dependency from those eight crates.
2023-11-18Begin nightly-ifying rustc_type_irMichael Goulet-0/+354