docs(operators): scan (#6414)

missing number$
ReactiveX · May 21, 2021 · 2fb22bf · 2fb22bf
1 parent bffa83c
commit 2fb22bf
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/internal/operators/scan.ts b/src/internal/operators/scan.ts
@@ -35,9 +35,11 @@ export function scan<V, A, S>(accumulator: (acc: A | S, value: V, index: number)
  * first value from the source.
  *
  * ```ts
- * import { interval } from 'rxjs';
+ * import { interval, of } from 'rxjs';
  * import { scan, map } from 'rxjs/operators';
  *
+ * const numbers$ = of(1, 2, 3);
+ *
  * numbers$
  *   .pipe(
  *     // Get the sum of the numbers coming in.