Add a setting to disable comment continuation in VSCode

editors/code/package.json

@@ -380,6 +380,11 @@
                     "default": false,
                     "type": "boolean"
                 },
+                "rust-analyzer.typing.continueCommentsOnNewline": {
+                    "markdownDescription": "Whether to prefix newlines after comments with the corresponding comment prefix.",
+                    "default": true,
+                    "type": "boolean"
+                },
                 "$generated-start": {},
                 "rust-analyzer.assist.expressionFillDefault": {
                     "markdownDescription": "Placeholder expression to use for missing expressions in assists.",

editors/code/src/config.ts

@@ -16,9 +16,13 @@ export class Config {
     readonly extensionId = "rust-lang.rust-analyzer";
 
     readonly rootSection = "rust-analyzer";
-    private readonly requiresWorkspaceReloadOpts = ["serverPath", "server"].map(
-        (opt) => `${this.rootSection}.${opt}`
-    );
+    private readonly requiresWorkspaceReloadOpts = [
+        "serverPath",
+        "server",
+        // FIXME: This shouldn't be here, changing this setting should reload
+        // `continueCommentsOnNewline` behavior without restart
+        "typing",
+    ].map((opt) => `${this.rootSection}.${opt}`);
     private readonly requiresReloadOpts = [
         "cargo",
         "procMacro",
@@ -140,6 +144,10 @@ export class Config {
         return this.get<boolean>("restartServerOnConfigChange");
     }
 
+    get typingContinueCommentsOnNewline() {
+        return this.get<boolean>("typing.continueCommentsOnNewline");
+    }
+
     get debug() {
         let sourceFileMap = this.get<Record<string, string> | "auto">("debug.sourceFileMap");
         if (sourceFileMap !== "auto") {

editors/code/src/main.ts

@@ -84,7 +84,9 @@ async function tryActivate(context: vscode.ExtensionContext): Promise<RustAnalyz
 
     warnAboutExtensionConflicts();
 
+    if (config.typingContinueCommentsOnNewline) {
         ctx.pushCleanup(configureLanguage());
+    }
 
     vscode.workspace.onDidChangeConfiguration(
         (_) =>