Fix adjacent code

clippy_dev/src/update_lints.rs

@@ -546,7 +546,7 @@ impl Lint {
     /// Returns the lints in a `HashMap`, grouped by the different lint groups
     #[must_use]
     fn by_lint_group(lints: impl Iterator<Item = Self>) -> HashMap<String, Vec<Self>> {
-        lints.map(|lint| (lint.group.to_string(), lint)).into_group_map()
+        lints.map(|lint| (lint.group.clone(), lint)).into_group_map()
     }
 }
 

clippy_lints/src/blocks_in_conditions.rs

@@ -93,8 +93,7 @@ impl<'tcx> LateLintPass<'tcx> for BlocksInConditions {
                             cond.span,
                             BRACED_EXPR_MESSAGE,
                             "try",
-                            snippet_block_with_applicability(cx, ex.span, "..", Some(expr.span), &mut applicability)
-                                .to_string(),
+                            snippet_block_with_applicability(cx, ex.span, "..", Some(expr.span), &mut applicability),
                             applicability,
                         );
                     }

clippy_lints/src/copies.rs

@@ -245,9 +245,9 @@ fn lint_branches_sharing_code<'tcx>(
         let cond_snippet = reindent_multiline(&snippet(cx, cond_span, "_"), false, None);
         let cond_indent = indent_of(cx, cond_span);
         let moved_snippet = reindent_multiline(&snippet(cx, span, "_"), true, None);
-        let suggestion = moved_snippet.to_string() + "\n" + &cond_snippet + "{";
+        let suggestion = moved_snippet + "\n" + &cond_snippet + "{";
         let suggestion = reindent_multiline(&suggestion, true, cond_indent);
-        (replace_span, suggestion.to_string())
+        (replace_span, suggestion)
     });
     let end_suggestion = res.end_span(last_block, sm).map(|span| {
         let moved_snipped = reindent_multiline(&snippet(cx, span, "_"), true, None);
@@ -263,7 +263,7 @@ fn lint_branches_sharing_code<'tcx>(
                     .then_some(range.start - 4..range.end)
             })
             .map_or(span, |range| range.with_ctxt(span.ctxt()));
-        (span, suggestion.to_string())
+        (span, suggestion.clone())
     });
 
     let (span, msg, end_span) = match (&start_suggestion, &end_suggestion) {

clippy_lints/src/if_not_else.rs

@@ -89,7 +89,7 @@ impl LateLintPass<'_> for IfNotElse {
                         e.span,
                         msg,
                         "try",
-                        make_sugg(cx, &cond.kind, cond_inner.span, els.span, "..", Some(e.span)).to_string(),
+                        make_sugg(cx, &cond.kind, cond_inner.span, els.span, "..", Some(e.span)),
                         Applicability::MachineApplicable,
                     ),
                     _ => span_lint_and_help(cx, IF_NOT_ELSE, e.span, msg, None, help),

clippy_lints/src/manual_async_fn.rs

@@ -83,7 +83,7 @@ impl<'tcx> LateLintPass<'tcx> for ManualAsyncFn {
                             format!("{} async {}", vis_snip, &header_snip[vis_snip.len() + 1..ret_pos])
                         };
 
-                        let body_snip = snippet_block(cx, closure_body.value.span, "..", Some(block.span)).to_string();
+                        let body_snip = snippet_block(cx, closure_body.value.span, "..", Some(block.span));
 
                         diag.multipart_suggestion(
                             "make the function `async` and return the output of the future directly",

clippy_lints/src/matches/match_single_binding.rs

@@ -32,8 +32,7 @@ pub(crate) fn check<'a>(cx: &LateContext<'a>, ex: &Expr<'a>, arms: &[Arm<'_>], e
         Some(expr.span),
         &mut app,
     )
-    .0
-    .to_string();
+    .0;
 
     // Do we need to add ';' to suggestion ?
     if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id)

clippy_lints/src/matches/single_match.rs

@@ -95,9 +95,7 @@ fn report_single_pattern(cx: &LateContext<'_>, ex: &Expr<'_>, arm: &Arm<'_>, exp
         let (sugg, help) = if is_unit_expr(arm.body) {
             (String::new(), "`match` expression can be removed")
         } else {
-            let mut sugg = snippet_block_with_context(cx, arm.body.span, ctxt, "..", Some(expr.span), &mut app)
-                .0
-                .to_string();
+            let mut sugg = snippet_block_with_context(cx, arm.body.span, ctxt, "..", Some(expr.span), &mut app).0;
             if let Node::Stmt(stmt) = cx.tcx.parent_hir_node(expr.hir_id)
                 && let StmtKind::Expr(_) = stmt.kind
                 && match arm.body.kind {
@@ -109,7 +107,7 @@ fn report_single_pattern(cx: &LateContext<'_>, ex: &Expr<'_>, arm: &Arm<'_>, exp
             }
             (sugg, "try")
         };
-        span_lint_and_sugg(cx, lint, expr.span, msg, help, sugg.to_string(), app);
+        span_lint_and_sugg(cx, lint, expr.span, msg, help, sugg, app);
         return;
     }
 

clippy_lints/src/methods/unnecessary_sort_by.rs

@@ -216,7 +216,7 @@ pub(super) fn check<'tcx>(
                 {
                     format!("{}::cmp::Reverse({})", std_or_core, trigger.closure_body)
                 } else {
-                    trigger.closure_body.to_string()
+                    trigger.closure_body
                 },
             ),
             if trigger.reverse {

clippy_lints/src/redundant_else.rs

@@ -97,7 +97,7 @@ impl EarlyLintPass for RedundantElse {
             els.span.with_lo(then.span.hi()),
             "redundant else block",
             "remove the `else` block and move the contents out",
-            make_sugg(cx, els.span, "..", Some(expr.span)).to_string(),
+            make_sugg(cx, els.span, "..", Some(expr.span)),
             app,
         );
     }

lintcheck/src/input.rs

@@ -117,7 +117,7 @@ pub fn read_crates(toml_path: &Path) -> (Vec<CrateWithSource>, RecursiveOptions)
             crate_sources.push(CrateWithSource {
                 name: tk.name.clone(),
                 source: CrateSource::CratesIo {
-                    version: version.to_string(),
+                    version: version.clone(),
                 },
                 file_link: tk.file_link(DEFAULT_DOCS_LINK),
                 options: tk.options.clone(),

lintcheck/src/output.rs

@@ -220,7 +220,7 @@ fn print_stats(old_stats: HashMap<String, usize>, new_stats: HashMap<&String, us
     let same_in_both_hashmaps = old_stats
         .iter()
         .filter(|(old_key, old_val)| new_stats.get::<&String>(old_key) == Some(old_val))
-        .map(|(k, v)| (k.to_string(), *v))
+        .map(|(k, v)| (k.clone(), *v))
         .collect::<Vec<(String, usize)>>();
 
     let mut old_stats_deduped = old_stats;