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6ef8dbefa3
This is a large change and as such, it needs good motivation. Let me remind you of the ultimate goal: we want a derive macro which allows us to FromXml/IntoXml, and that derive macro should be usable from `xmpp_parsers` and other crates. For that, any code generated by the derive macro mustn't depend on any code in the `xmpp_parsers` crate, because you cannot name the crate you are in portably (`xmpp_parsers::..` wouldn't resolve within `xmpp_parsers`, and `crate::..` would point at other crates if the macro was used in other crates). We also want to interoperate with code already implementing `TryFrom<Element>` and `Into<Element>` on structs. This ultimately requires that we have an error type which is shared by the two implementations and that error type must be declared in the `xso` crate to be usable by the macros. Thus, we port the error type over to use the type declared in `xso`. This changes the structure of the error type greatly; I do not think that `xso` should have to know about all the different types we are parsing there and they don't deserve special treatment. Wrapping them in a `Box<dyn ..>` seems more appropriate. |
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xmpp-parsers
What’s this?
A crate which provides parsers and serialisers for most XMPP elements, to avoid having to deal with XML manually. It validates its inputs by default, and aims at providing useful errors when a particular XML element was invalid.
What license is it under?
MPL-2.0 or later, see the LICENSE file.