@dillonkearns/elm-graphql/examples/src/subscription/node_modules/core-js/modules/es6.map.js

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'use strict';
var strong = require('./_collection-strong');
var validate = require('./_validate-collection');
var MAP = 'Map';

// 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(validate(this, MAP), key);
    return entry && entry.v;
  },
  // 23.1.3.9 Map.prototype.set(key, value)
  set: function set(key, value) {
    return strong.def(validate(this, MAP), key === 0 ? 0 : key, value);
  }
}, strong, true);