Remove the SetSource trait.

It was only being used for creating paragraphs of specific text, so I just adjusted the of_text function to handle it.

src/types/element.rs

@@ -22,7 +22,6 @@ use super::CenterBlock;
 use super::Drawer;
 use super::GetStandardProperties;
 use super::QuoteBlock;
-use super::SetSource;
 use super::SpecialBlock;
 use super::StandardProperties;
 
@@ -55,38 +54,6 @@ pub enum Element<'s> {
     LatexEnvironment(LatexEnvironment<'s>),
 }
 
-impl<'s> SetSource<'s> for Element<'s> {
-    #[cfg_attr(feature = "tracing", tracing::instrument(ret, level = "debug"))]
-    fn set_source(&mut self, source: &'s str) {
-        match self {
-            Element::Paragraph(obj) => obj.source = source,
-            Element::PlainList(obj) => obj.source = source,
-            Element::CenterBlock(obj) => obj.source = source,
-            Element::QuoteBlock(obj) => obj.source = source,
-            Element::SpecialBlock(obj) => obj.source = source,
-            Element::DynamicBlock(obj) => obj.source = source,
-            Element::FootnoteDefinition(obj) => obj.source = source,
-            Element::Comment(obj) => obj.source = source,
-            Element::Drawer(obj) => obj.source = source,
-            Element::PropertyDrawer(obj) => obj.source = source,
-            Element::Table(obj) => obj.source = source,
-            Element::VerseBlock(obj) => obj.source = source,
-            Element::CommentBlock(obj) => obj.source = source,
-            Element::ExampleBlock(obj) => obj.source = source,
-            Element::ExportBlock(obj) => obj.source = source,
-            Element::SrcBlock(obj) => obj.source = source,
-            Element::Clock(obj) => obj.source = source,
-            Element::DiarySexp(obj) => obj.source = source,
-            Element::Planning(obj) => obj.source = source,
-            Element::FixedWidthArea(obj) => obj.source = source,
-            Element::HorizontalRule(obj) => obj.source = source,
-            Element::Keyword(obj) => obj.source = source,
-            Element::BabelCall(obj) => obj.source = source,
-            Element::LatexEnvironment(obj) => obj.source = source,
-        }
-    }
-}
-
 impl<'s> GetStandardProperties<'s> for Element<'s> {
     fn get_standard_properties<'b>(&'b self) -> &'b dyn StandardProperties<'s> {
         match self {

src/types/lesser_element.rs

@@ -169,11 +169,11 @@ impl<'s> Paragraph<'s> {
     /// Generate a paragraph of the passed in text with no additional properties.
     ///
     /// This is used for elements that support an "empty" content like greater blocks.
-    pub(crate) fn of_text(input: &'s str) -> Self {
+    pub(crate) fn of_text(source: &'s str, body: &'s str) -> Self {
         Paragraph {
-            source: input,
+            source,
             affiliated_keywords: AffiliatedKeywords::default(),
-            children: vec![Object::PlainText(PlainText { source: input })],
+            children: vec![Object::PlainText(PlainText { source: body })],
         }
     }
 }

src/types/mod.rs

@@ -7,7 +7,6 @@ mod greater_element;
 mod lesser_element;
 mod macros;
 mod object;
-mod source;
 mod standard_properties;
 mod util;
 pub use affiliated_keyword::AffiliatedKeyword;
@@ -113,5 +112,4 @@ pub use object::WarningDelay;
 pub use object::WarningDelayType;
 pub use object::Year;
 pub use object::YearInner;
-pub(crate) use source::SetSource;
 pub use standard_properties::StandardProperties;

src/types/source.rs

@@ -1,3 +0,0 @@
-pub(crate) trait SetSource<'s> {
-    fn set_source(&mut self, source: &'s str);
-}