code: function merge(dest) {
    if (dest) {
      Array.prototype.slice.call(arguments, 1).forEach(function(arg) {
        Object.keys(arg).forEach(function(key) {
          dest[key] = arg[key]
        })
      })
    }
  
    return dest
  }
docs: Merge any number of objects with the 'dest' object.
  
  @param {Object} dest
  @param {...args}
  @returns {Object}