BJ_web_developers / dyitoc

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node_modules/es6-map/valid-map.js 153 Bytes
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aaac7fed   liuqimichale   add 
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  'use strict';
  
  var isMap = require('./is-map');
  
  module.exports = function (x) {
  	if (!isMap(x)) throw new TypeError(x + " is not a Map");
  	return x;
  };