Function cglue_gen::traits::parse_trait

pub fn parse_trait(
    tr: &ItemTrait, 
    crate_path: &TokenStream, 
    process_item: impl FnMut(&TraitItemType, &Ident, &ParsedGenerics, &mut TokenStream, &mut BTreeMap<Ident, WrappedType>, &TokenStream)
) -> (Vec<ParsedFunc>, ParsedGenerics, TokenStream)