public async Task syntactic_sugar_comes_at_rescue()
{
var ecommerce = new DomainBuilder()
.PersistOn(() => _memory)
.CreateAggregatesWith(() => new DefaultAggregateFactory())
.Build();
await ecommerce.MutateAsync <User>("user_123", user =>
{
user.Register("Super Mario");
});
var o = await _memory.ReadSingleBackwardAsync("user_123");
Assert.IsType <Changeset>(o.Payload);
Assert.IsType <UserRegistered>(((Changeset)o.Payload).Events.First());
}
