Stream.dedup
You're seeing just the function
dedup
, go back to Stream module for more information.
Specs
dedup(Enumerable.t()) :: Enumerable.t()
Creates a stream that only emits elements if they are different from the last emitted element.
This function only ever needs to store the last emitted element.
Elements are compared using ===/2
.
Examples
iex> Stream.dedup([1, 2, 3, 3, 2, 1]) |> Enum.to_list()
[1, 2, 3, 2, 1]