Function setMeta

test/babel.js:5393–5398

(it)

	  return isExtensible(Object.preventExtensions({}));
	});
	var setMeta = function setMeta(it) {
	  setDesc(it, META, { value: {
	      i: 'O' + ++id, // object ID
	      w: {} // weak collections IDs
	    } });
	};
	var fastKey = function fastKey(it, create) {
	  // return primitive with prefix
	  if (!isObject(it)) return (typeof it === 'undefined' ? 'undefined' : _typeof(it)) == 'symbol' ? it : (typeof it == 'string' ? 'S' : 'P') + it;