time-to-botec

Benchmark sampling in different programming languages
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index.js (1483B)

      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 * Function composition.
     23 *
     24 * @module @stdlib/utils/async/compose
     25 *
     26 * @example
     27 * var composeAsync = require( '@stdlib/utils/async/compose' );
     28 *
     29 * function a( x, next ) {
     30 *     setTimeout( onTimeout, 0 );
     31 *     function onTimeout() {
     32 *         next( null, 2*x );
     33 *     }
     34 * }
     35 *
     36 * function b( x, next ) {
     37 *     setTimeout( onTimeout, 0 );
     38 *     function onTimeout() {
     39 *         next( null, x+3 );
     40 *     }
     41 * }
     42 *
     43 * function c( x, next ) {
     44 *     setTimeout( onTimeout, 0 );
     45 *     function onTimeout() {
     46 *         next( null, x/5 );
     47 *     }
     48 * }
     49 *
     50 * var f = composeAsync( c, b, a );
     51 *
     52 * function done( error, result ) {
     53 *     if ( error ) {
     54 *         throw error;
     55 *     }
     56 *     console.log( result );
     57 *     // => 3
     58 * }
     59 *
     60 * f( 6, done );
     61 */
     62 
     63 // MODULES //
     64 
     65 var composeAsync = require( './compose_async.js' );
     66 
     67 
     68 // EXPORTS //
     69 
     70 module.exports = composeAsync;