SophieDeBenedetto

Accountant.product_of_equals_twenty_twenty([979, 1721, 366, 299, 675, 1456])
=> 514_579

SophieDeBenedetto

defmodule Accountant do
  @sum 2020

  def product_of_equals_twenty_twenty([_head | tail] = list) do
    product = get_two(list)
    # coming soon!
  end
end

SophieDeBenedetto

##### PROMPT #####
# Find the two entries in a given list that sum to 2020 and then multiply those two numbers together

defmodule Accountant do
  @sum 2020
  defguard equals_twenty_twenty(first, second) when first + second == @sum

  def product_of_equals_twenty_twenty(list, product \\ nil)
  def product_of_equals_twenty_twenty(_list, product) when product != nil, do: product

SophieDeBenedetto

defmodule SpyRadio.IntegrationTest do
  use ExUnit.Case

  test "the consumer receives a message when one is published to its queue" do
    consumer_pid = start_supervised!(SpyRadio.RabbitMQ.Consumer)
    :erlang.trace(consumer_pid, true, [:receive])
    SpyRadio.RabbitMQ.Publisher.publish("some message")

    assert_receive {:trace, ^consumer_pid, :receive, {:basic_consume_ok, %{consumer_tag: _tag}}},
                   1000

SophieDeBenedetto

{:trace, consumer_pid, :receive, {:basic_consume_ok, %{consumer_tag: _tag}}

SophieDeBenedetto

defmodule SpyRadio.IntegrationTest do
  use ExUnit.Case

  test "the consumer receives a message when one is published to its queue" do
    consumer_pid = start_supervised!(SpyRadio.RabbitMQ.Consumer)
    :erlang.trace(consumer_pid, true, [:receive])
    SpyRadio.RabbitMQ.Publisher.publish("some message")
  end
end

SophieDeBenedetto

defmodule SpyRadio.IntegrationTest do
  use ExUnit.Case

  test "the consumer receives a message when one is published to its queue" do
    consumer_pid = start_supervised!(SpyRadio.RabbitMQ.Consumer)
    :erlang.trace(consumer_pid, true, [:receive])
  end
end

SophieDeBenedetto

defmodule SpyRadio.IntegrationTest do
  use ExUnit.Case

  test "the consumer receives a message when one is published to its queue" do
    consumer_pid = start_supervised!(SpyRadio.RabbitMQ.Consumer)
  end
end

SophieDeBenedetto

```insights
some text
```

SophieDeBenedetto

func MergeCOntributors(primaryAccount, secondaryAccount) error {
    // Create a WaitGroup to manage the goroutines.
    var waitGroup sync.WaitGroup
    c := make(chan error)

    // Perform 3 concurrent transactions against the database.
    waitGroup.Add(3)

    go func() {
	waitGroup.Wait()