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node_modules/es5-ext/object/primitive-set.js

@@ -0,0 +1,10 @@
+"use strict";
+
+var forEach = Array.prototype.forEach, create = Object.create;
+
+// eslint-disable-next-line no-unused-vars
+module.exports = function (arg /*, …args*/) {
+	var set = create(null);
+	forEach.call(arguments, function (name) { set[name] = true; });
+	return set;
+};