'use strict';
var anObject = require('../internals/an-object');

// https://tc39.github.io/proposal-setmap-offrom/
module.exports = function (C, adder, ENTRY) {
  return function of() {
    var result = new C();
    var length = arguments.length;
    for (var index = 0; index < length; index++) {
      var entry = arguments[index];
      if (ENTRY) adder(result, anObject(entry)[0], entry[1]);
      else adder(result, entry);
    } return result;
  };
};