refactor(linter): derive inmpls for PartialEq, Eq over manual ones (#13828)

Author: camc314

crates/oxc_linter/src/fixer/fix.rs

@@ -279,7 +279,7 @@ impl<'a> Deref for RuleFix<'a> {
 /// A completed, normalized fix ready to be applied to the source code.
 ///
 /// Used internally by this module. Lint rules should use [`RuleFix`].
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 #[non_exhaustive]
 pub struct Fix<'a> {
     pub content: Cow<'a, str>,
@@ -334,7 +334,7 @@ impl<'a> Fix<'a> {
     }
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, PartialEq, Eq)]
 pub enum PossibleFixes<'a> {
     None,
     Single(Fix<'a>),
@@ -601,12 +601,6 @@ impl<'a> CompositeFix<'a> {
 mod test {
     use super::*;
 
-    impl PartialEq for Fix<'_> {
-        fn eq(&self, other: &Self) -> bool {
-            self.span == other.span && self.content == other.content
-        }
-    }
-
     impl Clone for CompositeFix<'_> {
         fn clone(&self) -> Self {
             match self {

crates/oxc_linter/src/fixer/mod.rs

@@ -218,7 +218,7 @@ pub struct FixResult<'a> {
     pub messages: Vec<Message<'a>>,
 }
 
-#[derive(Debug, Clone)]
+#[derive(Debug, Clone, Eq, PartialEq)]
 pub struct Message<'a> {
     pub error: OxcDiagnostic,
     pub fixes: PossibleFixes<'a>,

crates/oxc_linter/src/tsgolint.rs

@@ -793,21 +793,6 @@ mod test {
         tsgolint::{Fix, Range, RuleMessage, Suggestion, TsGoLintDiagnostic},
     };
 
-    /// Implements `PartialEq` for `PossibleFixes` to enable equality assertions in tests.
-    /// In production a `PossibleFix` can not be equal.
-    impl PartialEq for PossibleFixes<'_> {
-        fn eq(&self, other: &Self) -> bool {
-            match (self, other) {
-                (Self::None, Self::None) => true,
-                (Self::Single(fix1), Self::Single(fix2)) => fix1 == fix2,
-                (Self::Multiple(fixes1), Self::Multiple(fixes2)) => {
-                    fixes1.iter().zip(fixes2.iter()).all(|(f1, f2)| f1 == f2)
-                }
-                _ => false,
-            }
-        }
-    }
-
     #[test]
     fn test_message_from_tsgo_lint_diagnostic_basic() {
         let diagnostic = TsGoLintDiagnostic {