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src/context/file_access_interface.rs

@@ -20,8 +20,7 @@ impl FileAccessInterface for LocalFileAccessInterface {
     fn read_file(&self, path: &str) -> Result<String, std::io::Error> {
         let final_path = self
             .working_directory
-            .as_ref()
-            .map(PathBuf::as_path)
+            .as_deref()
             .map(|pb| pb.join(path))
             .unwrap_or_else(|| PathBuf::from(path));
         Ok(std::fs::read_to_string(final_path)?)

src/context/global_settings.rs

@@ -126,14 +126,10 @@ impl<'g, 's> Default for GlobalSettings<'g, 's> {
     }
 }
 
-#[derive(Debug, Clone, PartialEq)]
+#[derive(Debug, Clone, PartialEq, Default)]
 pub enum HeadlineLevelFilter {
     Odd,
+
+    #[default]
     OddEven,
 }
-
-impl Default for HeadlineLevelFilter {
-    fn default() -> Self {
-        HeadlineLevelFilter::OddEven
-    }
-}

src/context/list.rs

@@ -64,7 +64,7 @@ impl<'a, T> Iterator for IterList<'a, T> {
 
     fn next(&mut self) -> Option<Self::Item> {
         let ret = self.next;
-        self.next = self.next.map(|this| this.get_parent()).flatten();
+        self.next = self.next.and_then(|link| link.get_parent());
         ret
     }
 }

src/context/parser_with_context.rs

@@ -7,7 +7,7 @@ pub(crate) use parser_with_context;
 
 macro_rules! bind_context {
     ($target:expr, $context:expr) => {
-        move |i| $target($context, i)
+        |i| $target($context, i)
     };
 }
 pub(crate) use bind_context;