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Draft: subclass: Add missing BuildableImpl vfuncs #900

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I haven't got the time to clean things up, will get back to it pretty soon i hope

);
fn custom_tag_end(
tag_name: &str,
parser_data: *mut *mut libc::c_void,
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How is this pointer used exactly?

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It is used to pass the state to the BuildableParser, my idea was to create a struct that implements a certain trait and move the struct around instead of passing a random ptr around

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Sounds like a good plan :) Where would the struct be freed, is the finish() function guaranteed to be called exactly once with the same parser data, for example?

}
}

pub unsafe trait BuildableParserImpl: Sized {
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Why does it have to be unsafe?

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It shouldn't, I made it unsafe at first before figuring out what the user_data pointers are used for. Ideally once this PR is ready, we shouldn't need that

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2 participants