Эликсир анонимная функция
iex> sum = fn (a, b) -> a + b end
iex> sum.(2, 3) # 5
# The & Shorthand
iex> sum = &(&1 + &2)
iex> sum.(2, 3) # 5
patrick204nqh
iex> sum = fn (a, b) -> a + b end
iex> sum.(2, 3) # 5
# The & Shorthand
iex> sum = &(&1 + &2)
iex> sum.(2, 3) # 5