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node_modules/core-js/internals/get-iterator-direct.js

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+'use strict';
+// `GetIteratorDirect(obj)` abstract operation
+// https://tc39.es/proposal-iterator-helpers/#sec-getiteratordirect
+module.exports = function (obj) {
+  return {
+    iterator: obj,
+    next: obj.next,
+    done: false
+  };
+};