Elixir Language Lists List difference
Example
iex> [1, 2, 3] -- [1, 3]
[2]
-- removes the first occurrence of an item on the left list for each item on the
right.
iex> [1, 2, 3] -- [1, 3]
[2]
-- removes the first occurrence of an item on the left list for each item on the
right.
