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+'use strict';
+var strong = require('./_collection-strong');
+
+// 23.1 Map Objects
+module.exports = require('./_collection')('Map', function(get){
+ return function Map(){ return get(this, arguments.length > 0 ? arguments[0] : undefined); };
+}, {
+ // 23.1.3.6 Map.prototype.get(key)
+ get: function get(key){
+ var entry = strong.getEntry(this, key);
+ return entry && entry.v;
+ },
+ // 23.1.3.9 Map.prototype.set(key, value)
+ set: function set(key, value){
+ return strong.def(this, key === 0 ? 0 : key, value);
+ }
+}, strong, true);
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