Add some reviewer comments

clippy_lints/src/methods.rs

@@ -1173,7 +1173,7 @@ fn lint_unnecessary_fold(cx: &LateContext, expr: &hir::Expr, fold_args: &[hir::E
                         ".{replacement}(|{s}| {r})",
                         replacement = replacement_method_name,
                         s = second_arg_ident,
-                        r = snippet(cx, right_expr.span, "EXPR")
+                        r = snippet(cx, right_expr.span, "EXPR"),
                     )
                 } else {
                     format!(
@@ -1186,10 +1186,10 @@ fn lint_unnecessary_fold(cx: &LateContext, expr: &hir::Expr, fold_args: &[hir::E
                     cx,
                     UNNECESSARY_FOLD,
                     fold_span,
-                    // TODO: don't suggest e.g. .any(|x| f(x)) if we can suggest .any(f)
+                    // TODO #2371 don't suggest e.g. .any(|x| f(x)) if we can suggest .any(f)
                     "this `.fold` can be written more succinctly using another method",
                     "try",
-                    sugg
+                    sugg,
                 );
             }
         }

clippy_lints/src/utils/mod.rs

@@ -601,7 +601,7 @@ pub fn span_lint_and_then<'a, 'tcx: 'a, T: LintContext<'tcx>, F>(
 /// These suggestions can be parsed by rustfix to allow it to automatically fix your code.
 /// In the example below, `help` is `"try"` and `sugg` is the suggested replacement `".any(|x| x > 2)"`.
 ///
-/// <pre>
+/// ```
 /// error: This `.fold` can be more succinctly expressed as `.any`
 /// --> $DIR/methods.rs:390:13
 ///     |
@@ -609,7 +609,7 @@ pub fn span_lint_and_then<'a, 'tcx: 'a, T: LintContext<'tcx>, F>(
 ///     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.any(|x| x > 2)`
 ///     |
 ///     = note: `-D fold-any` implied by `-D warnings`
-/// </pre>
+/// ```
 pub fn span_lint_and_sugg<'a, 'tcx: 'a, T: LintContext<'tcx>>(
     cx: &'a T,
     lint: &'static Lint,

tests/ui/methods.stderr

@@ -499,7 +499,7 @@ error: this `.fold` can be written more succinctly using another method
 391 |     let _ = (0..3).fold(false, |acc, x| acc || x > 2);
     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: try: `.any(|x| x > 2)`
     |
-    = note: `-D fold-any` implied by `-D warnings`
+    = note: `-D unnecessary-fold` implied by `-D warnings`
 
 error: this `.fold` can be written more succinctly using another method
    --> $DIR/methods.rs:393:19