1 | var nativeCreate = require('./_nativeCreate');
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2 |
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3 | /** Used for built-in method references. */
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4 | var objectProto = Object.prototype;
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5 |
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6 | /** Used to check objects for own properties. */
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7 | var hasOwnProperty = objectProto.hasOwnProperty;
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8 |
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9 | /**
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10 | * Checks if a hash value for `key` exists.
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11 | *
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12 | * @private
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13 | * @name has
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14 | * @memberOf Hash
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15 | * @param {string} key The key of the entry to check.
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16 | * @returns {boolean} Returns `true` if an entry for `key` exists, else `false`.
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17 | */
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18 | function hashHas(key) {
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19 | var data = this.__data__;
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20 | return nativeCreate ? (data[key] !== undefined) : hasOwnProperty.call(data, key);
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21 | }
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22 |
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23 | module.exports = hashHas;
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