teamon

versions

Alpine: 3.4 Elixir: 1.3.4 Erlang: R18

packages

linux-headers erlang-snmp

teamon

# Much simplified version based on https://github.com/zhangsoledad/alchemic_avatar
# Avatar.generate/2 returns a Plug.Upload that can be passed directly
# into Ecto.Changeset (as for example fallback image)

defmodule Avatar do
  @defaults [
    size:             300,
    font_path:        Application.app_dir(:my_app, "priv/fonts/Roboto.ttf"),
    font_size:        40,
    font_weight:      500,

teamon

  @doc """
  Asserts based on pattern matching.

  Example: check if collection contains element that matches the pattern

      assert_match %{body: "lorem"} in messages
      assert_match %{id: ^id} in response["users"]
  """
  defmacro assert_match({:in, _, [left, right]} = assertion) do
    code = Macro.escape(assertion)

teamon

@doc """
Validate each array element with validator

Examples
  iex> changeset
  ...> |> validate_each(:emails, &validate_email)
  ...> |> validate_each(:phones, &validate_format(&1, &2, ~r/\d+/))
  ...> |> validate_each(:phones, &validate_length/3, is: 4)
"""
def validate_each(changeset, field, validator, opts) do

teamon

(0 to Int.MaxValue) == Range() // empty!

class X extends Actor {
  def act {
    val a = actor {
      loop {
        receive { // FAIL, must use 'self.receive'
          case ... 
        }
      }