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src/compare/compare_field.rs

@@ -56,11 +56,11 @@ impl<'b, 's> ComparePropertiesResult<'b, 's> {
 /// Do no comparison.
 ///
 /// This is for when you want to acknowledge that a field exists in the emacs token, but you do not have any validation for it when using the compare_properties!() macro. Ideally, this should be kept to a minimum since this represents untested values.
-pub(crate) fn compare_noop<'b, 's, 'x, R, RG>(
+pub(crate) fn compare_noop<'b, 's, R, RG>(
     _source: &'s str,
     _emacs: &'b Token<'s>,
     _rust_node: R,
-    _emacs_field: &'x str,
+    _emacs_field: &str,
     _rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     Ok(ComparePropertiesResult::NoChange)
@@ -74,11 +74,11 @@ pub(crate) fn compare_identity() {}
 /// Assert that the emacs value is always nil or absent.
 ///
 /// This is usually used for fields which, in my testing, are always nil. Using this compare function instead of simply doing a compare_noop will enable us to be alerted when we finally come across an org-mode document that has a value other than nil for the property.
-pub(crate) fn compare_property_always_nil<'b, 's, 'x, R, RG>(
+pub(crate) fn compare_property_always_nil<'b, 's, R, RG>(
     _source: &'s str,
     emacs: &'b Token<'s>,
     _rust_node: R,
-    emacs_field: &'x str,
+    emacs_field: &str,
     _rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     let value = get_property(emacs, emacs_field)?;
@@ -97,7 +97,6 @@ pub(crate) fn compare_property_always_nil<'b, 's, 'x, R, RG>(
 pub(crate) fn compare_property_quoted_string<
     'b,
     's,
-    'x,
     R,
     RV: AsRef<str> + std::fmt::Debug,
     RG: Fn(R) -> Option<RV>,
@@ -105,12 +104,12 @@ pub(crate) fn compare_property_quoted_string<
     _source: &'s str,
     emacs: &'b Token<'s>,
     rust_node: R,
-    emacs_field: &'x str,
+    emacs_field: &str,
     rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     let value = get_property_quoted_string(emacs, emacs_field)?;
     let rust_value = rust_value_getter(rust_node);
-    if rust_value.as_ref().map(|s| s.as_ref()) != value.as_ref().map(String::as_str) {
+    if rust_value.as_ref().map(|s| s.as_ref()) != value.as_deref() {
         let this_status = DiffStatus::Bad;
         let message = Some(format!(
             "{} mismatch (emacs != rust) {:?} != {:?}",
@@ -178,7 +177,6 @@ where
 pub(crate) fn compare_property_list_of_quoted_string<
     'b,
     's,
-    'x,
     R,
     RV: AsRef<str> + std::fmt::Debug,
     RI: Iterator<Item = RV>,
@@ -187,7 +185,7 @@ pub(crate) fn compare_property_list_of_quoted_string<
     _source: &'s str,
     emacs: &'b Token<'s>,
     rust_node: R,
-    emacs_field: &'x str,
+    emacs_field: &str,
     rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     let value = get_property(emacs, emacs_field)?
@@ -269,10 +267,7 @@ pub(crate) fn compare_property_set_of_quoted_string<
         .map(unquote)
         .collect::<Result<Vec<_>, _>>()?;
     let value: BTreeSet<&str> = value.iter().map(|e| e.as_str()).collect();
-    let mismatched: Vec<_> = value
-        .symmetric_difference(&rust_value)
-        .map(|val| *val)
-        .collect();
+    let mismatched: Vec<_> = value.symmetric_difference(&rust_value).copied().collect();
     if !mismatched.is_empty() {
         let this_status = DiffStatus::Bad;
         let message = Some(format!(
@@ -288,7 +283,6 @@ pub(crate) fn compare_property_set_of_quoted_string<
 pub(crate) fn compare_property_optional_pair<
     'b,
     's,
-    'x,
     R,
     RV: AsRef<str> + std::fmt::Debug,
     ROV: AsRef<str> + std::fmt::Debug,
@@ -297,7 +291,7 @@ pub(crate) fn compare_property_optional_pair<
     _source: &'s str,
     emacs: &'b Token<'s>,
     rust_node: R,
-    emacs_field: &'x str,
+    emacs_field: &str,
     rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     let value = get_property(emacs, emacs_field)?
@@ -386,11 +380,11 @@ pub(crate) fn compare_property_optional_pair<
     Ok(ComparePropertiesResult::NoChange)
 }
 
-pub(crate) fn compare_property_boolean<'b, 's, 'x, R, RG: Fn(R) -> bool>(
+pub(crate) fn compare_property_boolean<'b, 's, R, RG: Fn(R) -> bool>(
     _source: &'s str,
     emacs: &'b Token<'s>,
     rust_node: R,
-    emacs_field: &'x str,
+    emacs_field: &str,
     rust_value_getter: RG,
 ) -> Result<ComparePropertiesResult<'b, 's>, Box<dyn std::error::Error>> {
     // get_property already converts nil to None.
@@ -474,14 +468,7 @@ where
     match (value, rust_value) {
         (None, None) => {}
         (Some(el), None)
-            if el.len() == 1
-                && el.into_iter().all(|t| {
-                    if let Ok(r#""""#) = t.as_atom() {
-                        true
-                    } else {
-                        false
-                    }
-                }) => {}
+            if el.len() == 1 && el.iter().all(|t| matches!(t.as_atom(), Ok(r#""""#))) => {}
         (None, rv @ Some(_)) | (Some(_), rv @ None) => {
             let this_status = DiffStatus::Bad;
             let message = Some(format!(
@@ -558,13 +545,13 @@ where
     };
     let mut full_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(outer_rust_list.len());
 
-    for (kw_e, kw_r) in outer_emacs_list.into_iter().zip(outer_rust_list) {
+    for (kw_e, kw_r) in outer_emacs_list.iter().zip(outer_rust_list) {
         let kw_e = kw_e.as_list()?;
         let child_status_length = kw_r.1.len() + kw_r.0.as_ref().map(|opt| opt.len()).unwrap_or(0);
         let mut child_status: Vec<DiffEntry<'b, 's>> = Vec::with_capacity(child_status_length);
         if let Some(or) = &kw_r.0 {
             // if optional value
-            let mut kw_e = kw_e.into_iter();
+            let mut kw_e = kw_e.iter();
             // First element is a list representing the mandatory value.
             if let Some(val_e) = kw_e.next() {
                 let el = val_e.as_list()?;
@@ -576,7 +563,7 @@ where
                     ));
                     return Ok(ComparePropertiesResult::SelfChange(this_status, message));
                 }
-                for (e, r) in el.into_iter().zip(kw_r.1.iter()) {
+                for (e, r) in el.iter().zip(kw_r.1.iter()) {
                     child_status.push(compare_ast_node(source, e, r.into())?);
                 }
             } else {

src/compare/diff.rs

@@ -426,12 +426,10 @@ pub(crate) fn compare_ast_node<'b, 's>(
 
     // PlainText is a special case because upstream Org-Mode uses relative values for the bounds in plaintext rather than absolute so the below checks do not account for that.
     if let AstNode::PlainText(_) = rust {
-    } else {
-        if let Err(err) = compare_standard_properties(source, emacs, &rust) {
+    } else if let Err(err) = compare_standard_properties(source, emacs, &rust) {
         compare_result.status = DiffStatus::Bad;
         compare_result.message = Some(err.to_string())
     }
-    }
 
     Ok(compare_result.into())
 }

src/compare/mod.rs

@@ -1,3 +1,4 @@
+#[allow(clippy::module_inception)]
 mod compare;
 mod compare_field;
 mod diff;