Mark several unused vars as such

express/app.ts

@@ -37,7 +37,7 @@ const processedRoutes: { [K in Method]: ProcessedRoute[] } = {
     DELETE: [],
 };
 
-function isPromise<T>(value: T | Promise<T>): value is Promise<T> {
+function _isPromise<T>(value: T | Promise<T>): value is Promise<T> {
     return typeof (value as any)?.then === "function";
 }
 

express/logging.ts

@@ -15,8 +15,8 @@ type Message = {
     text: AtLeastOne<string>;
 };
 
-const m1: Message = { timestamp: 123, source: "logging", text: ["foo"] };
+const _m1: Message = { timestamp: 123, source: "logging", text: ["foo"] };
-const m2: Message = {
+const _m2: Message = {
     timestamp: 321,
     source: "diagnostic",
     text: ["ok", "whatever"],

express/routes.ts

@@ -41,7 +41,7 @@ const routes: Route[] = [
     {
         path: "/list",
         methods: ["GET"],
-        handler: async (call: Call): Promise<Result> => {
+        handler: async (_call: Call): Promise<Result> => {
             const code = httpCodes.success.OK;
             const lr = (rr: Route[]) => {
                 const ret = rr.map((r: Route) => {
@@ -67,7 +67,7 @@ const routes: Route[] = [
 `;
             const result = nunjucks.renderString(template, { rrr });
 
-            const listing = lr(routes).join(", ");
+            const _listing = lr(routes).join(", ");
             return {
                 code,
                 result,