tallakt/stream_split

Split a stream into a head and tail, without iterating the tail

{
  "createdAt": "2016-10-28T12:52:33Z",
  "defaultBranch": "master",
  "description": "Split a stream into a head and tail, without iterating the tail",
  "fullName": "tallakt/stream_split",
  "homepage": null,
  "language": "Elixir",
  "name": "stream_split",
  "pushedAt": "2022-12-18T11:40:37Z",
  "stargazersCount": 37,
  "topics": [],
  "updatedAt": "2024-12-30T12:18:57Z",
  "url": "https://github.com/tallakt/stream_split"
}

StreamSplit

Split a stream into a head and tail, or peek at the first n items in a stream. Both without iterating the tail of the enumerable.

Docs

http://hexdocs.pm/stream_split/

Usage

iex> {head, tail} = StreamSplit.take_and_drop(Stream.cycle(1..3), 4)
iex> head
[1, 2, 3, 1]
iex> Enum.take(tail, 7)
[2, 3, 1, 2, 3, 1, 2]

iex> {head, new_enum} = StreamSplit.peek(Stream.cycle(1..3), 4)
iex> head
[1, 2, 3, 1]
iex> Enum.take(new_enum, 7)
[1, 2, 3, 1, 2, 3, 1]

Installation

The package can be installed as:

Add stream_split to your list of dependencies in mix.exs:
```
def deps do
  [{:stream_split, "~> 0.1.0"}]
end
```