time-to-botec

Benchmark sampling in different programming languages
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index.js (1564B)

      1 /**
      2 * @license Apache-2.0
      3 *
      4 * Copyright (c) 2018 The Stdlib Authors.
      5 *
      6 * Licensed under the Apache License, Version 2.0 (the "License");
      7 * you may not use this file except in compliance with the License.
      8 * You may obtain a copy of the License at
      9 *
     10 *    http://www.apache.org/licenses/LICENSE-2.0
     11 *
     12 * Unless required by applicable law or agreed to in writing, software
     13 * distributed under the License is distributed on an "AS IS" BASIS,
     14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     15 * See the License for the specific language governing permissions and
     16 * limitations under the License.
     17 */
     18 
     19 'use strict';
     20 
     21 /**
     22 * If a function does not return an error, invoke a callback with the function result; otherwise, invoke a second function `y`.
     23 *
     24 * @module @stdlib/utils/async/try-then
     25 *
     26 * @example
     27 * var randu = require( '@stdlib/random/base/randu' );
     28 * var trythenAsync = require( '@stdlib/utils/async/try-then' );
     29 *
     30 * function x( clbk ) {
     31 *     setTimeout( onTimeout, 0 );
     32 *     function onTimeout() {
     33 *         if ( randu() > 0.5 ) {
     34 *             return clbk( null, 1.0 );
     35 *         }
     36 *         clbk( new Error( 'beep' ) );
     37 *     }
     38 * }
     39 *
     40 * function y( clbk ) {
     41 *     setTimeout( onTimeout, 0 );
     42 *     function onTimeout() {
     43 *         clbk( null, -1.0 );
     44 *     }
     45 * }
     46 *
     47 * function done( error, result ) {
     48 *     if ( error ) {
     49 *         throw error;
     50 *     }
     51 *     console.log( result );
     52 * }
     53 *
     54 * trythenAsync( x, y, done );
     55 */
     56 
     57 // MODULES //
     58 
     59 var trythenAsync = require( './try_then_async.js' );
     60 
     61 
     62 // EXPORTS //
     63 
     64 module.exports = trythenAsync;