I recently wrote an internal lib that for many functions it takes a list or
a stream and returns a stream. It's the responsibility of the user to run
the stream. For my use case I used a guard which only permitted a list or a
struct (Stream) as I couldn't figure out a better system. For my tests I
just used a list with Stream.take to create a stream.
On that note I'd like it if there was a Stream.t() akin to String.t() for
type definitions.
On Tuesday, July 23, 2024 at 3:17:34 PM UTC-6 José Valim wrote:
> Is there any benefit in calling Stream.new(enum)? All streams are enums
> and not all streams are Stream, so nowhere you should be checking for
> Stream in particular.
>
> On Tue, Jul 23, 2024 at 23:00 Robert Dober <robert...@gmail.com> wrote:
>
>> Hi there
>>
>> for eternity (there was no life before Elixir, right?) I was creating
>> streams from enumerables with
>>
>> - Stream.map(enum, &(&1))
>>
>> trying to find something better I found, somethoing worse, I believe
>>
>> - Stream.concat(enum, [])
>>
>> and, please forgive me, I wont do it again...
>>
>> - %Stream{enum: enum}
>>
>>
>> I would gladly provide a PR for implementing Stream.new/1 if so desired.
>>
>> KR
>> Robert
>>
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