make return type of bear undefined instead of void

README.md

@@ -104,15 +104,15 @@ promise.
 Wrap a Node.js-style asynchronous function to a function that returns
 promise.
 
-#### [[+]](src/miscellaneous.ts#L6) `bear(error: any): void`
+#### [[+]](src/miscellaneous.ts#L6) `bear(error: any): undefined`
 
 A no-operation function that acts as the rejection handler of a promise.
 
-#### [[+]](src/miscellaneous.ts#L12) `sleep(duration: number): Promise<void>`
+#### [[+]](src/miscellaneous.ts#L14) `sleep(duration: number): Promise<void>`
 
 Create a promise that will be fulfilled in given duration (milliseconds).
 
-#### [[+]](src/miscellaneous.ts#L31) `retry<T>(handler: RetryHandler<T>, options?: RetryOptions): Promise<T>`
+#### [[+]](src/miscellaneous.ts#L33) `retry<T>(handler: RetryHandler<T>, options?: RetryOptions): Promise<T>`
 
 Retry procedure in the handler for several times.
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "villa",
-  "version": "0.2.10",
+  "version": "0.2.11",
   "description": "Promise utilities for async/await-ready environment.",
   "main": "bld/index.js",
   "typings": "bld/index.d.ts",

src/miscellaneous.ts

@@ -3,7 +3,9 @@ import { Resolvable } from './';
 /**
  * A no-operation function that acts as the rejection handler of a promise.
  */
-export function bear(error: any): void { }
+export function bear(error: any): undefined {
+    return undefined;
+}
 
 /**
  * Create a promise that will be fulfilled in given duration (milliseconds).