audinue

using System;
using System.Collections.Generic;
using System.Linq;

public sealed class Container
{
    private Dictionary<Type, Type> concreteTypes = new Dictionary<Type, Type>();

    private Dictionary<Type, object> objects = new Dictionary<Type, object>();

audinue

function objectMap () {
  return Object.defineProperty(Object.create(null), Symbol.iterator, {
    configurable: true, // This descriptor is inspired by Map.prototype[Symbol.iterator]
    writable: true,
    value: function* () {
      for (const key in this) {
        yield [key, this[key]]
      }
    }
  })