chain-able
Version:
interfaces that describe their intentions.
25 lines (23 loc) • 1.41 kB
JavaScript
var toS = require('./toS')
/**
* @category Lang
*
* @param {*} x value
* @return {boolean} isAsync
* @since 4.0.0-beta.2
*
* @memberOf is
* @func isAsync
*
* @example
*
* isAsync(async function() {})
* //=> true
* isAsync(new Promise(r => r()))
* //=> false
* isAsync({})
* //=> false
* isAsync(function() {})
*/
module.exports = function (x) { return toS(x) === '[object AsyncFunction]'; }
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