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var nativeCreate = require('./_nativeCreate'); | |
/** Used for built-in method references. */ | |
var objectProto = Object.prototype; | |
/** Used to check objects for own properties. */ | |
var hasOwnProperty = objectProto.hasOwnProperty; | |
/** | |
* Checks if a hash value for `key` exists. | |
* | |
* @private | |
* @name has | |
* @memberOf Hash | |
* @param {string} key The key of the entry to check. | |
* @returns {boolean} Returns `true` if an entry for `key` exists, else `false`. | |
*/ | |
function hashHas(key) { | |
var data = this.__data__; | |
return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key); | |
} | |
module.exports = hashHas; | |