*scratch* (elixir-lang.github.el

From the Elixir language *master* documentation.

Function retrieval

The function macro can also be used to retrieve local, imported and remote functions.


square = fn(x) -> x * x end

Enum.map [1,2,3], function(square/1)

** (UndefinedFunctionError) undefined function: :erl_eval.square/1
    :erl_eval.square/1
    :erl_eval.expr/3

defmodule MyMath do
  def square(x) do
    x * x
  end
end

Enum.map [1,2,3], function(MyMath.square/1)

# [1, 4, 9]