Switch to using the multi field macro for document and heading.
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				| @ -87,64 +87,22 @@ pub enum AstNodeIter<'r, 's> { | ||||
|     // Timestamp(TimestampIter<'r, 's>),
 | ||||
| } | ||||
| 
 | ||||
| pub struct DocumentIter<'r, 's> { | ||||
|     zeroth_section_next: std::option::Iter<'r, Section<'s>>, | ||||
|     children_next: std::slice::Iter<'r, Heading<'s>>, | ||||
| } | ||||
| 
 | ||||
| impl<'r, 's> Iterator for DocumentIter<'r, 's> { | ||||
|     type Item = AstNode<'r, 's>; | ||||
| 
 | ||||
|     fn next(&mut self) -> Option<Self::Item> { | ||||
|         self.zeroth_section_next | ||||
|             .next() | ||||
|             .map(Into::<AstNode>::into) | ||||
|             .or_else(|| self.children_next.next().map(Into::<AstNode>::into)) | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| impl<'r, 's> IntoIterator for &'r Document<'s> { | ||||
|     type Item = AstNode<'r, 's>; | ||||
| 
 | ||||
|     type IntoIter = DocumentIter<'r, 's>; | ||||
| 
 | ||||
|     fn into_iter(self) -> Self::IntoIter { | ||||
|         DocumentIter { | ||||
|             zeroth_section_next: self.zeroth_section.iter(), | ||||
|             children_next: self.children.iter(), | ||||
|         } | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| pub struct HeadingIter<'r, 's> { | ||||
|     title_next: std::slice::Iter<'r, Object<'s>>, | ||||
|     children_next: std::slice::Iter<'r, DocumentElement<'s>>, | ||||
| } | ||||
| 
 | ||||
| impl<'r, 's> Iterator for HeadingIter<'r, 's> { | ||||
|     type Item = AstNode<'r, 's>; | ||||
| 
 | ||||
|     fn next(&mut self) -> Option<Self::Item> { | ||||
|         self.title_next | ||||
|             .next() | ||||
|             .map(Into::<AstNode>::into) | ||||
|             .or_else(|| self.children_next.next().map(Into::<AstNode>::into)) | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| impl<'r, 's> IntoIterator for &'r Heading<'s> { | ||||
|     type Item = AstNode<'r, 's>; | ||||
| 
 | ||||
|     type IntoIter = HeadingIter<'r, 's>; | ||||
| 
 | ||||
|     fn into_iter(self) -> Self::IntoIter { | ||||
|         HeadingIter { | ||||
|             title_next: self.title.iter(), | ||||
|             children_next: self.children.iter(), | ||||
|         } | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| multi_field_iter!( | ||||
|     Document<'s>, | ||||
|     DocumentIter, | ||||
|     zeroth_section, | ||||
|     std::option::Iter<'r, Section<'s>>, | ||||
|     children, | ||||
|     std::slice::Iter<'r, Heading<'s>> | ||||
| ); | ||||
| multi_field_iter!( | ||||
|     Heading<'s>, | ||||
|     HeadingIter, | ||||
|     title, | ||||
|     std::slice::Iter<'r, Object<'s>>, | ||||
|     children, | ||||
|     std::slice::Iter<'r, DocumentElement<'s>> | ||||
| ); | ||||
| children_iter!(Section<'s>, SectionIter, std::slice::Iter<'r, Element<'s>>); | ||||
| children_iter!( | ||||
|     Paragraph<'s>, | ||||
| @ -156,7 +114,6 @@ children_iter!( | ||||
|     PlainListIter, | ||||
|     std::slice::Iter<'r, PlainListItem<'s>> | ||||
| ); | ||||
| 
 | ||||
| multi_field_iter!( | ||||
|     PlainListItem<'s>, | ||||
|     PlainListItemIter, | ||||
|  | ||||
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