var getMapData = require('./_getMapData');
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								/**
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								 * Sets the map `key` to `value`.
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								 *
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								 * @private
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								 * @name set
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								 * @memberOf MapCache
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								 * @param {string} key The key of the value to set.
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								 * @param {*} value The value to set.
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								 * @returns {Object} Returns the map cache instance.
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								 */
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								function mapCacheSet(key, value) {
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								  var data = getMapData(this, key),
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								      size = data.size;
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								  data.set(key, value);
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								  this.size += data.size == size ? 0 : 1;
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								  return this;
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								}
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								module.exports = mapCacheSet;
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