@stdlib/assert
Version:
Standard assertion utilities.
46 lines (40 loc) • 1.12 kB
TypeScript
/*
* @license Apache-2.0
*
* Copyright (c) 2021 The Stdlib Authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// TypeScript Version: 4.1
/**
* Tests if a value is an arrow function.
*
* @param value - value to test
* @returns boolean indicating whether value is an arrow function
*
* @example
* var arrow = () => {};
* var bool = isArrowFunction( arrow );
* // returns true
*
* @example
* function beep() {
* return 'beep';
* }
*
* var bool = isArrowFunction( beep );
* // returns false
*/
declare function isArrowFunction( value: any ): value is ( () => any );
// EXPORTS //
export = isArrowFunction;