71 lines
1.4 KiB
JavaScript
71 lines
1.4 KiB
JavaScript
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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'use strict';
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/**
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* Function composition.
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*
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* @module @stdlib/utils/async/compose
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*
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* @example
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* var composeAsync = require( '@stdlib/utils/async/compose' );
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*
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* function a( x, next ) {
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* setTimeout( onTimeout, 0 );
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* function onTimeout() {
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* next( null, 2*x );
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* }
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* }
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*
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* function b( x, next ) {
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* setTimeout( onTimeout, 0 );
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* function onTimeout() {
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* next( null, x+3 );
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* }
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* }
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*
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* function c( x, next ) {
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* setTimeout( onTimeout, 0 );
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* function onTimeout() {
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* next( null, x/5 );
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* }
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* }
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*
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* var f = composeAsync( c, b, a );
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*
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* function done( error, result ) {
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* if ( error ) {
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* throw error;
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* }
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* console.log( result );
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* // => 3
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* }
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*
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* f( 6, done );
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*/
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// MODULES //
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var composeAsync = require( './compose_async.js' );
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// EXPORTS //
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module.exports = composeAsync;
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