Linting

clippy_lints/src/matches.rs

@@ -828,15 +828,16 @@ fn check_match_single_binding(cx: &LateContext<'_, '_>, ex: &Expr<'_>, arms: &[A
     let matched_vars = ex.span;
     let bind_names = arms[0].pat.span;
     let match_body = remove_blocks(&arms[0].body);
-    let mut snippet_body = snippet_block(cx, match_body.span, "..").to_owned().to_string();
-    if match_body.span.from_expansion() {
-        snippet_body = Sugg::hir_with_macro_callsite(cx, match_body, "..").to_string();
-    }
-    // Do we need to add ';' to suggestion ?
+    let mut snippet_body = if match_body.span.from_expansion() {
+        Sugg::hir_with_macro_callsite(cx, match_body, "..").to_string()
+    } else {
+        snippet_block(cx, match_body.span, "..").to_owned().to_string()
+    };
     if let ExprKind::Block(block, _) = &arms[0].body.kind {
+        // Do we need to add ';' to suggestion ?
         if block.stmts.len() == 1 {
             if let StmtKind::Semi(_) = block.stmts.get(0).unwrap().kind {
-                if !snippet_body.starts_with("{") && !snippet_body.ends_with("}") {
+                if !snippet_body.starts_with('{') && !snippet_body.ends_with('}') {
                     snippet_body.push(';');
                 }
             }