1 files changed, 9 insertions, 2 deletions
diff --git a/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/range.ts b/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/range.ts
index 2a2286972f..671f7049fb 100644
--- a/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/range.ts
+++ b/tools/node_modules/eslint/node_modules/rxjs/src/internal/observable/range.ts
@@ -17,6 +17,8 @@ import { Observable } from '../Observable';
  * ## Example
  * Emits the numbers 1 to 10</caption>
  * ```javascript
+ * import { range } from 'rxjs';
+ *
  * const numbers = range(1, 10);
  * numbers.subscribe(x => console.log(x));
  * ```
@@ -24,7 +26,7 @@ import { Observable } from '../Observable';
  * @see {@link index/interval}
  *
  * @param {number} [start=0] The value of the first integer in the sequence.
- * @param {number} [count=0] The number of sequential integers to generate.
+ * @param {number} count The number of sequential integers to generate.
  * @param {SchedulerLike} [scheduler] A {@link SchedulerLike} to use for scheduling
  * the emissions of the notifications.
  * @return {Observable} An Observable of numbers that emits a finite range of
@@ -34,9 +36,14 @@ import { Observable } from '../Observable';
  * @owner Observable
  */
 export function range(start: number = 0,
-                      count: number = 0,
+                      count?: number,
                       scheduler?: SchedulerLike): Observable<number> {
   return new Observable<number>(subscriber => {
+    if (count === undefined) {
+      count = start;
+      start = 0;
+    }
+
     let index = 0;
     let current = start;